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orthotics</title> <meta name="description" content="Search results for: knee orthotics"> <meta name="keywords" content="knee orthotics"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="knee orthotics"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 282</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: knee orthotics</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">282</span> The Low-Cost Design and 3D Printing of Structural Knee Orthotics for Athletic Knee Injury Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Hendricks">Alexander Hendricks</a>, <a href="https://publications.waset.org/abstracts/search?q=Sean%20Nevin"> Sean Nevin</a>, <a href="https://publications.waset.org/abstracts/search?q=Clayton%20Wikoff"> Clayton Wikoff</a>, <a href="https://publications.waset.org/abstracts/search?q=Melissa%20Dougherty"> Melissa Dougherty</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacob%20Orlita"> Jacob Orlita</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafiqul%20Noorani"> Rafiqul Noorani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Knee orthotics play an important role in aiding in the recovery of those with knee injuries, especially athletes. However, structural knee orthotics is often very expensive, ranging between $300 and $800. The primary reason for this project was to answer the question: can 3D printed orthotics represent a viable and cost-effective alternative to present structural knee orthotics? The primary objective for this research project was to design a knee orthotic for athletes with knee injuries for a low-cost under $100 and evaluate its effectiveness. The initial design for the orthotic was done in SolidWorks, a computer-aided design (CAD) software available at Loyola Marymount University. After this design was completed, finite element analysis (FEA) was utilized to understand how normal stresses placed upon the knee affected the orthotic. The knee orthotic was then adjusted and redesigned to meet a specified factor-of-safety of 3.25 based on the data gathered during FEA and literature sources. Once the FEA was completed and the orthotic was redesigned based from the data gathered, the next step was to move on to 3D-printing the first design of the knee brace. Subsequently, physical therapy movement trials were used to evaluate physical performance. Using the data from these movement trials, the CAD design of the brace was refined to accommodate the design requirements. The final goal of this research means to explore the possibility of replacing high-cost, outsourced knee orthotics with a readily available low-cost alternative. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title="3D printing">3D printing</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20orthotics" title=" knee orthotics"> knee orthotics</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title=" finite element analysis"> finite element analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20for%20additive%20manufacturing" title=" design for additive manufacturing"> design for additive manufacturing</a> </p> <a href="https://publications.waset.org/abstracts/97973/the-low-cost-design-and-3d-printing-of-structural-knee-orthotics-for-athletic-knee-injury-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97973.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">181</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">281</span> The Effect of Impact on the Knee Joint Due to the Shocks during Double Impact Phase of Gait Cycle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jobin%20Varghese">Jobin Varghese</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20M.%20Akhil"> V. M. Akhil</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20K.%20Rajendrakumar"> P. K. Rajendrakumar</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20S.%20Sivanandan"> K. S. Sivanandan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The major contributor to the human locomotion is the knee flexion and extension. During heel strike, a huge amount of energy is transmitted through the leg towards knee joint, which in fact is damped at heel and leg muscles. During high shocks, although it is damped to a certain extent, the balance force transmits towards knee joint which could damage the knee. Due to the vital function of the knee joint, it should be protected against damage due to additional load acting on it. This work concentrates on the development of spring mass damper system which exactly replicates the stiffness at the heel and muscles and the objective function is optimized to minimize the force acting at the knee joint. Further, the data collected using force plate are put into the model to verify its integrity and are found to be in good agreement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spring" title="spring">spring</a>, <a href="https://publications.waset.org/abstracts/search?q=mass" title=" mass"> mass</a>, <a href="https://publications.waset.org/abstracts/search?q=damper" title=" damper"> damper</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title=" knee joint"> knee joint</a> </p> <a href="https://publications.waset.org/abstracts/62460/the-effect-of-impact-on-the-knee-joint-due-to-the-shocks-during-double-impact-phase-of-gait-cycle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62460.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">271</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">280</span> Knee Pain Reduction: Holistic vs. Traditional</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Renee%20Moten">Renee Moten</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Knee pain becomes chronic because the therapy used focuses only on the symptoms of knee pain and not the causes of knee pain. Preventing knee injuries is not in the toolbox of the traditional practitioner. This research was done to show that we must reduce the inflammation (holistically), reduce the swelling and regain flexibility before considering any type of exercise. This method of performing the correct exercise stops the bowing of the knee, corrects the walking gait, and starts to relieve knee, hip, back, and shoulder pain. Method: The holistic method that is used to heal knees is called the Knee Pain Recipe. It’s a six step system that only uses alternative medicine methods to reduce, relieve and restore knee joint mobility. The system is low cost, with no hospital bills, no physical therapy, and no painkillers that can cause damage to the kidneys and liver. This method has been tested on 200 women with knee, back, hip, and shoulder pain. Results: All 200 women reduce their knee pain by 50%, some by as much as 90%. Learning about ankle and foot flexibility, along with understanding the kinetic chain, helps improve the walking gait, which takes the pressure off the knee, hip and back. The knee pain recipe also has helped to reduce the need for a cortisone injection, stem cell procedures, to take painkillers, and surgeries. What has also been noted in the research was that if the women's knees were too far gone, the Knee Pain Recipe helped prepare the women for knee replacement surgery. Conclusion: It is believed that the Knee Pain Recipe, when performed by men and women from around the world, will give them a holistic alternative to drugs, injections, and surgeries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee" title="knee">knee</a>, <a href="https://publications.waset.org/abstracts/search?q=surgery" title=" surgery"> surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=healing" title=" healing"> healing</a>, <a href="https://publications.waset.org/abstracts/search?q=holistic" title=" holistic"> holistic</a> </p> <a href="https://publications.waset.org/abstracts/161081/knee-pain-reduction-holistic-vs-traditional" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161081.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">279</span> Unpowered Knee Exoskeleton with Compliant Joints for Stair Descent Assistance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pengfan%20Wu">Pengfan Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaoan%20Chen"> Xiaoan Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Ye%20He"> Ye He</a>, <a href="https://publications.waset.org/abstracts/search?q=Tianchi%20Chen"> Tianchi Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces the design of an unpowered knee exoskeleton to assist human walking by redistributing the moment of the knee joint during stair descent (SD). Considering the knee moment varying with the knee joint angle and the work of the knee joint is all negative, the custom-built spring was used to convert negative work into the potential energy of the spring during flexion, and the obtained energy work as assistance during extension to reduce the consumption of lower limb muscles. The human-machine adaptability problem was left by traditional rigid wearable due to the knee involves sliding and rotating without a fixed-axis rotation, and this paper designed the two-direction grooves to follow the human-knee kinematics, and the wire spring provides a certain resistance to the pin in the groove to prevent extra degrees of freedom. The experiment was performed on a normal stair by healthy young wearing the device on both legs with the surface electromyography recorded. The results show that the quadriceps (knee extensor) were reduced significantly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=unpowered%20exoskeleton" title="unpowered exoskeleton">unpowered exoskeleton</a>, <a href="https://publications.waset.org/abstracts/search?q=stair%20descent" title=" stair descent"> stair descent</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20compliant%20joint" title=" knee compliant joint"> knee compliant joint</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20redistribution" title=" energy redistribution"> energy redistribution</a> </p> <a href="https://publications.waset.org/abstracts/115645/unpowered-knee-exoskeleton-with-compliant-joints-for-stair-descent-assistance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/115645.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">125</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">278</span> Virtual Test Model for Qualification of Knee Prosthesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Zehouani">K. Zehouani</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Oldal"> I. Oldal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: In the human knee joint, degenerative joint disease may happen with time. The standard treatment of this disease is the total knee replacement through prosthesis implanting. The reason lies in the fact that this phenomenon causes different material abrasion as compare to pure sliding or rolling alone. This study focuses on developing a knee prosthesis geometry, which fulfills the mechanical and kinematical requirements. Method: The MSC ADAMS program is used to describe the rotation of the human knee joint as a function of flexion, and to investigate how the flexion and rotation movement changes between the condyles of a multi-body model of the knee prosthesis as a function of flexion angle (in the functional arc of the knee (20-120º)). Moreover, the multi-body model with identical boundary conditions is constituted, and the numerical simulations are carried out using the MSC ADAMS program system. Results: It is concluded that the use of the multi-body model reduces time and cost since it does not need to manufacture the tibia and the femur as it requires for the knee prosthesis of the test machine. Moreover, without measuring or by dispensing with a test machine for the knee prosthesis geometry, approximation of the results of our model to a human knee is carried out directly. Conclusion: The pattern obtained by the multi-body model provides an insight for future experimental tests related to the rotation and flexion of the knee joint concerning the actual average and friction load. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomechanics" title="biomechanics">biomechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title=" knee joint"> knee joint</a>, <a href="https://publications.waset.org/abstracts/search?q=rotation" title=" rotation"> rotation</a>, <a href="https://publications.waset.org/abstracts/search?q=flexion" title=" flexion"> flexion</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematics" title=" kinematics"> kinematics</a>, <a href="https://publications.waset.org/abstracts/search?q=MSC%20ADAMS" title=" MSC ADAMS"> MSC ADAMS</a> </p> <a href="https://publications.waset.org/abstracts/114701/virtual-test-model-for-qualification-of-knee-prosthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114701.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">277</span> Effect of Horizontal Joint Reinforcement on Shear Behaviour of RC Knee Connections</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Zhang">N. Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20S.%20Kuang"> J. S. Kuang</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mogili"> S. Mogili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To investigate seismic performance of beam-column knee joints, four full-scale reinforced concrete beam-column knee joints, which were fabricated to simulate those in as-built RC frame buildings designed to ACI 318-14 and ACI-ASCE 352R-02, were tested under reversed cyclic loading. In the experimental programme, particular emphasis was given to the effect of horizontal reinforcement (in format of inverted U-shape bars) on the shear strength and ductility capacity of knee joints. Test results are compared with those predicted by four seismic design codes, including ACI 318-14, EC8, NZS3101 and GB50010. It is seen that the current design codes of practice cannot accurately predict the shear strength of seismically designed knee joints. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=large-scale%20tests" title="large-scale tests">large-scale tests</a>, <a href="https://publications.waset.org/abstracts/search?q=RC%20beam-column%20knee%20joints" title=" RC beam-column knee joints"> RC beam-column knee joints</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20performance" title=" seismic performance"> seismic performance</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strength" title=" shear strength"> shear strength</a> </p> <a href="https://publications.waset.org/abstracts/59153/effect-of-horizontal-joint-reinforcement-on-shear-behaviour-of-rc-knee-connections" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59153.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">249</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">276</span> Return to Work Following Knee Arthroplasty: A Retrospective Review in Urban Asian Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fiona%20Tan">Fiona Tan</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheryl%20Tan"> Cheryl Tan</a>, <a href="https://publications.waset.org/abstracts/search?q=Thomas%20Wong"> Thomas Wong</a>, <a href="https://publications.waset.org/abstracts/search?q=Remesh"> Remesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: An increasing number of working adults undergo knee arthroplasty in Singapore. There is limited data concerning Southeast Asian patients returning to work (RTW) following knee replacement surgery. Our aim was to identify and study factors influencing patients' RTW following total knee arthroplasty (TKA) or unicompartmental knee arthroplasty (UKA). Methods: Patients who underwent TKA or UKA between August 2017 to March 2020 in our center were included in this study. Outcomes include RTW and duration prior to RTW. Results: 441 patients underwent TKA (295 women, 146 men, mean age 67.3 years), and 69 underwent UKA (48 women, 21 men, mean age 61.1 years). Patients who underwent TKA returned to work earlier (mean 83.7 ± 27.1 days) compared to UKA (mean 94.4 ± 42.3 days). 90.0% of TKA patients RTW compared to 95.5% who underwent UKA. Of patients who RTW, 94.3% of the TKA group returned to employment of the same nature compared to 92.9% of UKA patients. Patients who RTW were of a younger age (p = 0.03), white-collared workers (p = 0.04), and had independent preoperative ambulatory status (p <0.01). Conclusion: Younger and independently ambulating patients may have a better capacity for rehabilitation and RTW post-arthroplasty surgery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=return%20to%20work" title="return to work">return to work</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20knee%20arthroplasty" title=" total knee arthroplasty"> total knee arthroplasty</a>, <a href="https://publications.waset.org/abstracts/search?q=unilateral%20knee%20arthroplasty" title=" unilateral knee arthroplasty"> unilateral knee arthroplasty</a>, <a href="https://publications.waset.org/abstracts/search?q=employment" title=" employment"> employment</a> </p> <a href="https://publications.waset.org/abstracts/186199/return-to-work-following-knee-arthroplasty-a-retrospective-review-in-urban-asian-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186199.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">38</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">275</span> Teaching Prosthetic and Orthotics in Palestine: Between Reality and Challenges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Dawabsheh">Ahmad Dawabsheh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The science of prosthetics is a renewable science that serves all humanity, regardless of gender, religion and race, and its causes are many: wars, conflicts, traffic accidents, and others. The researcher believes that there are challenges facing the specialization, including that society views a negative view of the amputee, especially if it is a female. This research aims to focus on the reality of teaching prosthetics in Palestine, especially in the Arab American University, as it is the only major. As well as the challenges facing this major: financial, human, academic, laboratories, and others. The researcher used the descriptive and analytical approach, which is the closest approach to studying the subject. The researcher believes that there is a failure on the part of the state and the Ministry of Health in this matter. In addition to the lack of societal culture, as well as the large quantities of prosthetic fittings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=prothetics" title="prothetics">prothetics</a>, <a href="https://publications.waset.org/abstracts/search?q=orthotics" title=" orthotics"> orthotics</a>, <a href="https://publications.waset.org/abstracts/search?q=Arab%20American%20University" title=" Arab American University"> Arab American University</a>, <a href="https://publications.waset.org/abstracts/search?q=Palestine" title=" Palestine"> Palestine</a> </p> <a href="https://publications.waset.org/abstracts/149071/teaching-prosthetic-and-orthotics-in-palestine-between-reality-and-challenges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149071.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">142</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">274</span> A Knee Modular Orthosis Design Based on Kinematic Considerations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Copilusi">C. Copilusi</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Ploscaru"> C. Ploscaru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper addresses attention to a research regarding the design of a knee orthosis in a modular form used on children walking rehabilitation. This research is focused on the human lower limb kinematic analysis which will be used as input data on virtual simulations and prototype validation. From this analysis, important data will be obtained and used as input for virtual simulations of the knee modular orthosis. Thus, a knee orthosis concept was obtained and validated through virtual simulations by using MSC Adams software. Based on the obtained results, the modular orthosis prototype will be manufactured and presented in this article. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20lower%20limb" title="human lower limb">human lower limb</a>, <a href="https://publications.waset.org/abstracts/search?q=children%20orthoses" title=" children orthoses"> children orthoses</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematic%20analysis" title=" kinematic analysis"> kinematic analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20orthosis" title=" knee orthosis"> knee orthosis</a> </p> <a href="https://publications.waset.org/abstracts/47877/a-knee-modular-orthosis-design-based-on-kinematic-considerations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47877.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">287</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">273</span> Prevalence of Knee Pain and Risk Factors and Its Impact on Functional Impairment among Saudi Adolescents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20H.Alyami">Ali H.Alyami</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussam%20Darraj"> Hussam Darraj</a>, <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Hakami"> Faisal Hakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Awaf"> Mohammed Awaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Sulaiman%20Hamdi"> Sulaiman Hamdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nawaf%20Bakri"> Nawaf Bakri</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulaziz%20Saber"> Abdulaziz Saber</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalid%20Hakami"> Khalid Hakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Almuhanad%20Alyami"> Almuhanad Alyami</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20khashab"> Mohammed khashab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Adolescents frequently self-report pain, according to epidemiological research. The knee is one of the sites where the pain is most common. One of the main factors contributing to the number of years people spend disabled and having substantial personal, societal, and economic burdens globally are musculoskeletal disorders. Adolescents may have knee pain due to an abrupt, traumatic injury or an insidious, slowly building onset that neither the adolescent nor the parent is aware of. Objectives: The present study’s authors aimed to estimate the prevalence of knee pain in Saudi adolescents. Methods: This cross-sectional survey, carried out from June to November 2022, included 676 adolescents ages 10 to 18. Data are presented as frequencies and percentages for categorical variables. Analysis of variance (ANOVA) was used to compare means between groups, while the chi-square test was used for the comparison of categorical variables. Statistical significance was set at P< 0.05.Result: Adolescents were invited to take part in the study. 57.5% were girls, and 42.5% were males,68.8% were 676 aged between 15 and 18. The prevalence of knee pain was considerably high among females (26%), while it was 19.2% among males. Moreover, age was a significant predictor for knee pain; also BMI was significant for knee pain. Conclusion: Our study noted a high rate of knee pain among adolescents, so we need to raise awareness about risk factors. Adolescent knee pain can be prevented with conservative methods and some minor lifestyle/activity modifications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20pain" title="knee pain">knee pain</a>, <a href="https://publications.waset.org/abstracts/search?q=prevalence%20of%20knee%20pain" title=" prevalence of knee pain"> prevalence of knee pain</a>, <a href="https://publications.waset.org/abstracts/search?q=exercise%20training" title=" exercise training"> exercise training</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title=" physical activity"> physical activity</a> </p> <a href="https://publications.waset.org/abstracts/161732/prevalence-of-knee-pain-and-risk-factors-and-its-impact-on-functional-impairment-among-saudi-adolescents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161732.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">111</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">272</span> Collaborative Learning Aspect for Training Hip and Knee Joint Anatomy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nasir%20Mustafa">Nasir Mustafa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the prerequisites required for an efficient diagnosis in a medical practice is to have a strong command of both functional and clinical anatomy. In this study, we introduce a new collaborative approach to the effective teaching of the knee and hip joints. In the present teaching model, anatomists, orthopedists and physical therapists present the anatomy of the hip and knee joints in small groups. Courses for the hip and knee joints were scheduled during the early stages of the medical curriculum. Students of nursing and physical therapy were grouped together to sensitize to the importance of a collaborative effort. The study results clearly demonstrate that nursing students and physical therapy students appreciated this teaching approach. The collaborative approach further proved to be a suitable method to teach both functional and clinical anatomy of the hip and knee joints. Aside from this training, a collaborative approach between medical students and physical therapy students was also successful for a healthcare organization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hip%20and%20knee%20joint%20anatomy" title="hip and knee joint anatomy">hip and knee joint anatomy</a>, <a href="https://publications.waset.org/abstracts/search?q=collaborative" title=" collaborative"> collaborative</a>, <a href="https://publications.waset.org/abstracts/search?q=Anatomy%20teaching" title=" Anatomy teaching"> Anatomy teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=Nursing%20students" title=" Nursing students"> Nursing students</a>, <a href="https://publications.waset.org/abstracts/search?q=Physiotherapy%20students" title=" Physiotherapy students"> Physiotherapy students</a> </p> <a href="https://publications.waset.org/abstracts/166164/collaborative-learning-aspect-for-training-hip-and-knee-joint-anatomy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166164.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">271</span> Osteoarthritis (OA): A Total Knee Replacement Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Loveneet%20Kaur">Loveneet Kaur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Osteoarthritis (OA) is one of the leading causes of disability, and the knee is the most commonly affected joint in the body. The last resort for treatment of knee OA is Total Knee Replacement (TKR) surgery. Despite numerous advances in prosthetic design, patients do not reach normal function after surgery. Current surgical decisions are made on 2D radiographs and patient interviews. Aims: The aim of this study was to compare knee kinematics pre and post-TKR surgery using computer-animated images of patient-specific models under everyday conditions. Methods: 7 subjects were recruited for the study. Subjects underwent 3D gait analysis during 4 everyday activities and medical imaging of the knee joint pre- and one-month post-surgery. A 3D model was created from each of the scans, and the kinematic gait analysis data was used to animate the images. Results: Improvements were seen in a range of motion in all 4 activities 1-year post-surgery. The preoperative 3D images provide detailed information on the anatomy of the osteoarthritic knee. The postoperative images demonstrate potential future problems associated with the implant. Although not accurate enough to be of clinical use, the animated data can provide valuable insight into what conditions cause damage to both the osteoarthritic and prosthetic knee joints. As the animated data does not require specialist training to view, the images can be utilized across the fields of health professionals and manufacturing in the assessment and treatment of patients pre and post-knee replacement surgery. Future improvements in the collection and processing of data may yield clinically useful data. Conclusion: Although not yet of clinical use, the potential application of 3D animations of the knee joint pre and post-surgery is widespread. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Orthoporosis" title="Orthoporosis">Orthoporosis</a>, <a href="https://publications.waset.org/abstracts/search?q=Ortharthritis" title=" Ortharthritis"> Ortharthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20replacement" title=" knee replacement"> knee replacement</a>, <a href="https://publications.waset.org/abstracts/search?q=TKR" title=" TKR"> TKR</a> </p> <a href="https://publications.waset.org/abstracts/185506/osteoarthritis-oa-a-total-knee-replacement-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185506.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">47</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">270</span> Mechanical Responses to Hip Versus Knee Induced Muscle Fatigue in Patellofemoral Pain Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Ahmed%20Ahmed">Eman Ahmed Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghada%20Abdelmoneim%20Mohamed"> Ghada Abdelmoneim Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamada%20Ahmed%20Hamada"> Hamada Ahmed Hamada</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagui%20Sobhi%20Nassif"> Nagui Sobhi Nassif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Impaired skeletal muscle endurance may be an important causal factor in the development of patellofemoral pain syndrome (PFPS). However, there is lack of information regarding the effect of hip versus knee muscle fatigue on isokinetic parameters, and myoelectric activity of hip and knee muscles in these patients. Purpose: The study was conducted to investigate the effect of hip abductors versus knee extensors fatigue protocol on knee proprioception, hip and knee muscle strength and their myoelectric activity in patients with PFPS. Methods: Fifteen female patients with PFPS participated in the study. They were tested randomly under two fatiguing conditions; hip abductors and knee extensors fatigue protocols. Isolated muscle fatigue of two muscles was induced isokinetically on the affected side in a two separate sessions with a rest interval of at least three days. After determining peak torque, patients performed continuous maximal concentric-eccentric contraction of the selected muscle until the torque output dropped below 50% of peak torque value for 3 consecutive repetitions. Knee proprioception, eccentric hip abductors' peak torque, eccentric knee extensors' peak torque, EMG ratio of vastus medialis obliquus (VMO) / vastus lateralis (VL), and EMG activity of gluteus medius (GM) muscle, were recorded before and immediately after each fatigue protocol using the Biodex Isokinetic system and EMG Myosystem. Results: Two-way within subject MANOVA revealed that eccentric knee extensors’ peak torque decreased significantly after hip abductors fatigue protocol compared to pre fatigue condition (p<0.05). On the other hand, there was no statistically significant difference in the eccentric hip abductors’ peak torque after admitting knee extensors fatigue protocol (p > 0.05). Moreover, no significant difference was found in knee proprioception, EMG ratio of VMO/VL, and EMG activity of GM muscle, after either hip or knee fatigue protocol (p>0.05). Conclusion: A hip focused rehabilitation program may be beneficial in improving knee function through correcting faulty kinematics and hence decrease knee loading in patients with PFPS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromyography" title="electromyography">electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20proprioception" title=" knee proprioception"> knee proprioception</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20responses" title=" mechanical responses"> mechanical responses</a>, <a href="https://publications.waset.org/abstracts/search?q=muscle%20fatigue" title=" muscle fatigue"> muscle fatigue</a>, <a href="https://publications.waset.org/abstracts/search?q=patellofemoral%20pain%20syndrome" title=" patellofemoral pain syndrome"> patellofemoral pain syndrome</a> </p> <a href="https://publications.waset.org/abstracts/40822/mechanical-responses-to-hip-versus-knee-induced-muscle-fatigue-in-patellofemoral-pain-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40822.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">311</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">269</span> Scoliosis Effect towards of Incidence of the Secondary Osteoarthritis on the Knee in Athletes at the National Sports Cibubur Hospital on July 2013-April 2014</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Basuki%20Supartono">Basuki Supartono</a>, <a href="https://publications.waset.org/abstracts/search?q=Nunuk%20Nugrohowati"> Nunuk Nugrohowati</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryan%20Gamma%20Andiraldi"> Ryan Gamma Andiraldi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Osteoarthritis of the knee can occur due to scoliosis. The purpose of this study is to determine the effect of scoliosis cause secondary osteoarthritis on the knee. This research use an analytic cross-sectional design. The total sample of 92 athletes scoliosis taken by simple random sampling technique. The data obtained were analyzing with Chi-square test, Fisher and Prevalence Ratio. The results of analysis show that there are influences on the incidence of scoliosis secondary osteoarthritis on the knee in athletes at the National Sports Hospital. Based on the criteria in the Cobbs angle had the results (p = 0.022 (p <0.05)), moderate Cobbs angle degree were 7.5 times more at risk of causing secondary osteoarthritis on the knee than a mild degree. While the shape of the curve scoliosis is getting results (p = 0.038 (p <0.05)), the shape of the S curve scoliosis 3.2 times more at risk of causing secondary osteoarthritis on the knee than the curve C. It can be concluded that there is significant influence between the Cobbs angle, shape of the curve scoliosis on the incidence of secondary osteoarthritis on the knee in National Sports Cibubur Hospital on July 2013- April 2014 <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cobbs%20angle" title="Cobbs angle">Cobbs angle</a>, <a href="https://publications.waset.org/abstracts/search?q=curve%20shape%20scoliosis" title=" curve shape scoliosis"> curve shape scoliosis</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20osteoarthritis%20on%20the%20knee" title=" secondary osteoarthritis on the knee"> secondary osteoarthritis on the knee</a>, <a href="https://publications.waset.org/abstracts/search?q=analytic%20cross-sectional%20design" title=" analytic cross-sectional design "> analytic cross-sectional design </a> </p> <a href="https://publications.waset.org/abstracts/15910/scoliosis-effect-towards-of-incidence-of-the-secondary-osteoarthritis-on-the-knee-in-athletes-at-the-national-sports-cibubur-hospital-on-july-2013-april-2014" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15910.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">491</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">268</span> Numerical Response of Coaxial HPGe Detector for Skull and Knee Measurement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pabitra%20Sahu">Pabitra Sahu</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Manohari"> M. Manohari</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Priyadharshini"> S. Priyadharshini</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Santhanam"> R. Santhanam</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Chandrasekaran"> S. Chandrasekaran</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Venkatraman"> B. Venkatraman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radiation workers of reprocessing plants have a potential for internal exposure due to actinides and fission products. Radionuclides like Americium, lead, Polonium and Europium are bone seekers and get accumulated in the skeletal part. As the major skeletal content is in the skull (13%) and knee (22%), measurements of old intake have to be carried out in the skull and knee. At the Indira Gandhi Centre for Atomic Research, a twin HPGe-based actinide monitor is used for the measurement of actinides present in bone. Efficiency estimation, which is one of the prerequisites for the quantification of radionuclides, requires anthropomorphic phantoms. Such phantoms are very limited. Hence, in this study, efficiency curves for a Twin HPGe-based actinide monitoring system are established theoretically using the FLUKA Monte Carlo method and ICRP adult male voxel phantom. In the case of skull measurement, the detector is placed over the forehead, and for knee measurement, one detector is placed over each knee. The efficiency values of radionuclides present in the knee and skull vary from 3.72E-04 to 4.19E-04 CPS/photon and 5.22E-04 to 7.07E-04 CPS/photon, respectively, for the energy range 17 to 3000keV. The efficiency curves for the measurement are established, and it is found that initially, the efficiency value increases up to 100 keV and then starts decreasing. It is found that the skull efficiency values are 4% to 63% higher than that of the knee, depending on the energy for all the energies except 17.74 keV. The reason is the closeness of the detector to the skull compared to the knee. But for 17.74 keV the efficiency of the knee is more than the skull due to the higher attenuation caused in the skull bones because of its greater thickness. The Minimum Detectable Activity (MDA) for 241Am present in the skull and knee is 9 Bq. 239Pu has a MDA of 950 Bq and 1270 Bq for knee and skull, respectively, for a counting time of 1800 sec. This paper discusses the simulation method and the results obtained in the study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FLUKA%20Monte%20Carlo%20Method" title="FLUKA Monte Carlo Method">FLUKA Monte Carlo Method</a>, <a href="https://publications.waset.org/abstracts/search?q=ICRP%20adult%20male%20voxel%20phantom" title=" ICRP adult male voxel phantom"> ICRP adult male voxel phantom</a>, <a href="https://publications.waset.org/abstracts/search?q=knee" title=" knee"> knee</a>, <a href="https://publications.waset.org/abstracts/search?q=Skull." title=" Skull."> Skull.</a> </p> <a href="https://publications.waset.org/abstracts/185283/numerical-response-of-coaxial-hpge-detector-for-skull-and-knee-measurement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185283.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">51</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">267</span> Kinematic Analysis of Heel Height Effect on Knee Direction Correction in a Patient with Genu Recurvatum: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Parya%20Salimitari">Parya Salimitari</a>, <a href="https://publications.waset.org/abstracts/search?q=Farhad%20Tabatabai%20Ghomsheh"> Farhad Tabatabai Ghomsheh</a>, <a href="https://publications.waset.org/abstracts/search?q=Siyamak%20Khorramymehr"> Siyamak Khorramymehr</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Taghadosi"> Hossein Taghadosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hossein%20Dashti"> Mohammad Hossein Dashti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to evaluate the effect of heel height on the knee joint direction in Genu recurvatum patients compared to normal state. The test was performed on a patient with Genu recurvatum and a healthy person with similar and match biomechanical conditions. Subjects were tested under six different positions of shoes with heels 0, 1, 2, 3, 4 and 5 cm after marking during the gate. The results of the spatial temporal geometry obtained from Vicon Motion System (six-camera T10 model, Oxford Metrics Ltd., Oxford, UK), and were used to compute and analyze the kinematic results. In this study, we tried to determine the effect of shoe heel intervention on knee joint direction correction. The results indicate that the 1 cm heel has been optimized and significantly improved in knee joint flexion and flexion-extension angle so that the difference in knee flexion-extension angle between the patient and the healthy person at some stages of walking has reached zero (good posture). The 3 cm heel compared with the 0 cm heel has reduced the knee recurvatum index (KRI) by up to 21.74% in the patient (from 219.233 mm to 47.6714 mm). According to the findings of this study, it can be concluded that heel increase is effective in correcting knee joints in Genu recurvatum and the optimum heel height is 1 cm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=joint%20alignment%20of%20knee" title="joint alignment of knee">joint alignment of knee</a>, <a href="https://publications.waset.org/abstracts/search?q=gait%20analysis" title=" gait analysis"> gait analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=genu%20recurvatum" title=" genu recurvatum"> genu recurvatum</a>, <a href="https://publications.waset.org/abstracts/search?q=heel%20lift" title=" heel lift"> heel lift</a>, <a href="https://publications.waset.org/abstracts/search?q=kinematics" title=" kinematics"> kinematics</a>, <a href="https://publications.waset.org/abstracts/search?q=motion-analysis" title=" motion-analysis"> motion-analysis</a> </p> <a href="https://publications.waset.org/abstracts/101326/kinematic-analysis-of-heel-height-effect-on-knee-direction-correction-in-a-patient-with-genu-recurvatum-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101326.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">203</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">266</span> Correlation Study between Clinical and Radiological Findings in Knee Osteoarthritis </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nabil%20A.%20A.%20Mohamed">Nabil A. A. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa%20A.%20A.%20Balbaa"> Alaa A. A. Balbaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20E.%20Ayad"> Khaled E. Ayad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Osteoarthritis (OA) of the knee is the most common form of arthritis and leads to more activity limitations (e.g., disability in walking and stair climbing) than any other disease, especially in the elderly. Recently, impaired proprioceptive accuracy of the knee has been proposed as a local factor in the onset and progression of radiographic knee OA (ROA). Purpose: To compare the clinical and radiological findings in healthy with that of knee OA. Also, to determine if there is a correlation between the clinical and radiological findings in patients with knee OA. Subjects: Fifty one patients diagnosed as unilateral or bilateral knee OA with age ranged between 35-70 years, from both gender without any previous history of knee trauma or surgery, and twenty one normal subjects with age ranged from 35 - 68 years. METHODS: peak torque/body weight (PT/BW) was recorded from knee extensors at isokinetic isometric mode at angle of 45 degree. Also, the Absolute Angular Error was recorded at 45O and 30O to measure joint position sense (JPS). They made anteroposterior (AP) plain X-rays from standing semiflexed knee position and their average score of Timed Up and Go test(TUG) and WOMAC were recorded as a measure of knee pain, stiffness and function. Comparison between the mean values of different variables in the two groups was performed using unpaired student t test. The P value less or equal to 0.05 was considered significant. Results: There were significant differences between the studied variables between the experimental and control groups except the values of AAE at 30O. Also, there were no significant correlation between the clinical findings (pain, function, muscle strength and proprioception) and the severity of arthritic changes in X-rays. CONCLUSION: From the finding of the current study we can conclude that there were a significant difference between the both groups in all studied parameters (the WOMAC, functional level, quadriceps muscle strength and the joint proprioception). Also this study did not support the dependency on radiological findings in management of knee OA as the radiological features did not necessarily indicate the level of structural damage of patients with knee OA and we should consider the clinical features in our treatment plan. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=joint%20position%20sense" title="joint position sense">joint position sense</a>, <a href="https://publications.waset.org/abstracts/search?q=peak%20torque" title=" peak torque"> peak torque</a>, <a href="https://publications.waset.org/abstracts/search?q=proprioception" title=" proprioception"> proprioception</a>, <a href="https://publications.waset.org/abstracts/search?q=radiological%20knee%20osteoarthritis" title=" radiological knee osteoarthritis "> radiological knee osteoarthritis </a> </p> <a href="https://publications.waset.org/abstracts/33164/correlation-study-between-clinical-and-radiological-findings-in-knee-osteoarthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33164.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">265</span> The Effect of Blood Flow Restriction on the Knee Rehabilitation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20Casasayas">O. Casasayas</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Vigo"> M. Vigo</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Navarro"> R. Navarro</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Ragazzi"> P. Ragazzi</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Alvarez"> P. Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Perez-Bellmunt"> A. Perez-Bellmunt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: The blood flow restriction training (BFR) is a method of muscle training that allows increasing the stress of muscle tissue to enhance the muscle cross-section and strength. This type of training has clear benefits in the rehabilitation field since it can improve muscle strength using low mechanical loads. The aim of this study is to know in which knee pathologies BFR has been used, what methodology was used and what were the obtained results. Study design: We performed a systematic literature search using strategies for the concepts of “blood flow restriction OR blood flow restriction training AND knee” in Medline. Articles were screened by authors and included if they used the blood flow restriction training in pathology of the knee. Results: The pathology more frequently treated by BFR was knee osteoarthritis and the variables most analyzed were strength and pain. The vascular occlusion used was 80% in the major part of studies. The groups of BFR obtained an increase of strength with less pain but not always the results are statistically significant. The evidence levels are poor in the high number of studies because in some cases there is not a control group or the evaluators were not blinded. Conclusion: The use of BFR is useful to improve muscle strength in knee pathology since it does not increase the pain, but more studies are needed to see (comprehend) if this type of treatment obtains better results than a conventional therapy. No studies have been found that compare the different occlusion effects in both the strength improvement and the pain reduction. Neither studies that analyse the effects of BFR on the muscle contractile parameters have been found. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blood%20flow%20restriction%20training" title="blood flow restriction training">blood flow restriction training</a>, <a href="https://publications.waset.org/abstracts/search?q=knee" title=" knee"> knee</a>, <a href="https://publications.waset.org/abstracts/search?q=arthroscopy%20knee" title=" arthroscopy knee"> arthroscopy knee</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20therapy" title=" physical therapy"> physical therapy</a> </p> <a href="https://publications.waset.org/abstracts/98424/the-effect-of-blood-flow-restriction-on-the-knee-rehabilitation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98424.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">168</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">264</span> Comparison of the Proprioception Sense and Standing Balance in Patients with Osteoarthritis Before and After Total Knee Arthroplasty Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Daneshi">S. Daneshi</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Shahcheraghi"> G. Shahcheraghi</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Ghaffarinejad"> F. Ghaffarinejad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Back ground: Osteoarthritis (OA) is the most common form of arthritis, affecting millions of people around the world during the aging process. Knee joint proprioception sense decrease with OA and Total Knee Arthroplasty (TKA) surgery may affect them. We investigated two parameters of proprioception sense (the joint position sense and kinesthesia) and standing balance in affected limbs before and after TKA, in patient with Knee OA. Methods and Materials: In this Analytic study, 10 patients who were candidate for TKA during two months in Dena Hospital of Shiraz, selected for further analysis. All of cases were female in range of 55-70 years old. Participants assessed before and two weeks after TKA using three instruments: electrogoniometer and continuous passive motion (CPM) to assess Knee joint position sense and kinesthesia in 20 and 45 degrees; and chronometer to assess duration of standing balance on affected leg with open and closed eyes. Results: To examine differences between before and after of TKA scorings Willcoxon Signed Rank and Mann-Whitney was performed which indicated no significant differences between knee joint position sense and kinesthesia in 20 and 45 degrees (P>0.05) and no significant differences between Standing Balance in a patient with knee OA before and after TKA (P>0.05). Conclusion: The study indicates that, OA can affect proprioception sense and standing balance but TKA doesn’t have any effect on these parameters. Intra articular structures such as cruciate ligaments and mines are responsible for proprioception sense in normal knee joint. Since in severe knee OA the number of mechanoreceptors in these intra articular structures decrease and their function reduce more than normal knee joint, so the anterior cruciate ligaments (ACL) become defected, thus after TKA surgery which this ligament is removed no significant change was found in proprioception sense. As a result of involving proprioception sense, muscles strength and the function of vestibular system in balance, standing balance did not show significant difference before and after TKA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title="knee joint">knee joint</a>, <a href="https://publications.waset.org/abstracts/search?q=proprioception%20sense" title=" proprioception sense"> proprioception sense</a>, <a href="https://publications.waset.org/abstracts/search?q=standing%20balance" title=" standing balance"> standing balance</a>, <a href="https://publications.waset.org/abstracts/search?q=rehabilitation%20sciences" title=" rehabilitation sciences"> rehabilitation sciences</a> </p> <a href="https://publications.waset.org/abstracts/3742/comparison-of-the-proprioception-sense-and-standing-balance-in-patients-with-osteoarthritis-before-and-after-total-knee-arthroplasty-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3742.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">263</span> Morphometric Study of Human Anterior and Posterior Meniscofemoral Ligaments of the Knee Joint on Thiel Embalmed Cadavers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Alobaidy">Mohammad Alobaidy</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Nicoll"> David Nicoll</a>, <a href="https://publications.waset.org/abstracts/search?q=Tracey%20Wilkinson"> Tracey Wilkinson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Many patients suffer postoperative knee stability after total knee arthroplasty (joint replacement) involving posterior cruciate ligament (PCL) sacrificing or retaining, but is not clear whether the meniscofemoral ligaments (MFLs) are retained during these procedures; their function in terms of knee stability is not well established in the literature. Purpose: Macroscopic, detailed, morphometric investigation of the anterior and posterior MFLs of the knee joint was undertaken to assist understanding of knee stability after total knee arthroplasty and ligament reconstruction. Methods: Dissection of eighty Thiel embalmed knees from 19 male and 21 female cadavers was conducted, mean age 77 (range 47-99 years). The origin and insertion of the anterior and posterior MFLs were measured using high accuracy, calibrated, digital Vernier calipers at 0.01mm. Results: The means were: anterior meniscofemoral ligament (aMFL) length 28.4 ± 2.7mm; posterior meniscofemoral ligament (pMFL) length 29 ± 3.7mm; aMFL femoral width 6.4 ± 1.7mm, mid-distance ligament width 4 ± 1.1mm, meniscal ligament width 3.9 ± 1.2mm; pMFL femoral width 5.6 ± 1.5mm, mid-distance ligament width 4.1 ± 1.1mm, meniscal ligament width 4.1 ± 1.3mm. Some of the male measurements were larger than female, with significant differences in the length of the aMFL femoral length p<0.01 and pMFL femoral length p<0.007, and width of the pMFL mid-distance p<0.04. Conclusion: This study may help explore the role of the meniscofemoral ligaments in knee stability after total knee arthroplasty with a posterior cruciate ligament retaining prosthesis. Anatomical information for Thiel embalmed knees may aid orthopaedic surgeons in ligament reconstruction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anterior%20and%20posterior%20meniscofemoral%20ligaments" title="anterior and posterior meniscofemoral ligaments">anterior and posterior meniscofemoral ligaments</a>, <a href="https://publications.waset.org/abstracts/search?q=morphometric%20analysis" title=" morphometric analysis"> morphometric analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Thiel%20embalmed%20knees" title=" Thiel embalmed knees"> Thiel embalmed knees</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20arthroplasty" title=" knee arthroplasty"> knee arthroplasty</a> </p> <a href="https://publications.waset.org/abstracts/63427/morphometric-study-of-human-anterior-and-posterior-meniscofemoral-ligaments-of-the-knee-joint-on-thiel-embalmed-cadavers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63427.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">376</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">262</span> Socio-Demographic and Clinical Characteristics and Use of Herbal Medicine among Patients Seeking Consultation for Knee Osteoarthritis at Secondary Healthcare Facilities in Oman</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thuraya%20Ahmed%20Al%20Shidhani">Thuraya Ahmed Al Shidhani</a>, <a href="https://publications.waset.org/abstracts/search?q=Yahya%20Al%20Farsi"> Yahya Al Farsi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alya%20Al%20Husni"> Alya Al Husni</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Al%20Adawi"> Samir Al Adawi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Knee osteoarthritis (knee OA) represents a major public health burden worldwide, particularly among older adults. However, little has been documented from Arabian Gulf countries, which have left an information gap. Objective: This study describes the socio-demographic, clinical risk factors, and use of herbal medicine among men and women seeking consultation for knee OA at two secondary healthcare facilities in Muscat, Oman. Methods: A cross-sectional study was conducted among 213 Omani adults with knee OA attending a referral polyclinic in Muscat, Oman, over 12 months from January to December. Socio-demographic data were collected from the participants who are seeking consultation for knee OA. Results: Among the 213 study participants, 171 were females and 42 males. The females were comparatively older than the males, had lower education and lower-income, and more overweight. The majority of the participants were normal weight or underweight. About one-third of participants reported OA in other joints as well. Most participants recalled that they had knee OA for less than a year. About 12% reported a history of trauma. The majority (63%) concurrently had other chronic illnesses, and 33% reported having at least one complication. About 22% were using herbal medicines. About 77% are using herbal local applications in form of powder and creams. Conclusion: This study, to our knowledge, is the first to explore socio-demographic characteristics, clinical risk factors and use of herbal medicine among sufferers of knee OA in Oman. Knee OA tended to occur among our participants at younger ages than reported elsewhere, while obesity appeared orthogonal to the severity of knee OA. Women were more affected than men. About one quarter of Omani patients are using herbal medicine. More studies are needed to understand the causal factors and development of knee OA in Oman. Targeted health education and rehabilitation programs are needed, particularly among Omani women, to improve their physical quality of life. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title="knee joint">knee joint</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoarthritis" title=" osteoarthritis"> osteoarthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=herbal%20medicine" title=" herbal medicine"> herbal medicine</a>, <a href="https://publications.waset.org/abstracts/search?q=Oman" title=" Oman"> Oman</a> </p> <a href="https://publications.waset.org/abstracts/126508/socio-demographic-and-clinical-characteristics-and-use-of-herbal-medicine-among-patients-seeking-consultation-for-knee-osteoarthritis-at-secondary-healthcare-facilities-in-oman" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/126508.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">261</span> The Effect of Low Power Laser on CK and Some of Markers Delayed Onset Muscle Soreness (DOMS)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bahareh%20Yazdanparast%20Chaharmahali">Bahareh Yazdanparast Chaharmahali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study showed effect of low power laser therapy on knee range of motion (flexion and extension), resting angle of knee joint, knee circumference and rating of delayed onset muscle soreness induced pain, 24 and 48 hours after eccentric training of knee flexor muscle (hamstring muscle). We investigate the effects of pulsed ultrasound on swelling, relaxed, flexion and extension knee angle and pain. 20 volunteers among girl students of college voluntary participated in this research. After eccentric training, subjects were randomly divided into two groups, control and laser therapy. In day 1 and in order to induce delayed onset muscle soreness, subjects eccentrically trained their knee flexor muscles. In day 2, subjects were randomly divided into two groups: control and low power laser therapy. 24 and 48 hours after eccentric training. Variables (knee flexion and extension, srang of motion, resting knee joint angle and knee circumferences) were measured and analyzed. Data are reported as means ± standard error (SE) and repeated measured was used to assess differences within groups. Methods of treatment (low power laser therapy) have significant effects on delayed onset muscle soreness markers. 24 and 48 hours after training a significant difference was observed between mean pains of 2 groups. This difference was significant between low power laser therapy and C groups. The Bonferroni post hock is significant. Low power laser therapy trophy as used in this study did significantly diminish the effects of delayed – onset muscle soreness on swelling, relaxed – knee extension and flexion angle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=creatine%20kinase" title="creatine kinase">creatine kinase</a>, <a href="https://publications.waset.org/abstracts/search?q=DOMS" title=" DOMS"> DOMS</a>, <a href="https://publications.waset.org/abstracts/search?q=eccentric%20training" title=" eccentric training"> eccentric training</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20power%20laser" title=" low power laser"> low power laser</a> </p> <a href="https://publications.waset.org/abstracts/50388/the-effect-of-low-power-laser-on-ck-and-some-of-markers-delayed-onset-muscle-soreness-doms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50388.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">246</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">260</span> The Influence of Using Soft Knee Pads on Static and Dynamic Balance among Male Athletes and Non-Athletes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yaser%20Kazemzadeh">Yaser Kazemzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Keyvan%20Molanoruzy"> Keyvan Molanoruzy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojtaba%20Izady"> Mojtaba Izady</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The balance is the key component of motor skills to maintain postural control and the execution of complex skills. The present study was designed to evaluate the impact of soft knee pads on static and dynamic balance of male athletes. For this aim, thirty young athletes in different sport fields with 3 years professional sport training background and thirty healthy young men nonathletic (age: 24.5 ± 2.9, 24.3 ± 2.4, weight: 77.2 ± 4.3 and 80/9 ± 6/3 and height: 175 ± 2/84, 172 ± 5/44 respectively) as subjects selected. Then, subjects in two manner (without knee and with soft knee pads made of neoprene) execute standard error test (BESS) to assess static balance and star test to assess dynamic balance. For analyze of data, t-tests and one-way ANOVA were significant 05/0 ≥ α statistical analysis. The results showed that the use of soft knee significantly reduced error rate in static balance test (p ≥ 0/05). Also, use a soft knee pads decreased score of athlete group and increased score of nonathletic group in star test (p ≥ 0/05). These findings, indicates that use of knees affects static and dynamic balance in athletes and nonathletic in different manner and may increased athletic performance in sports that rely on static balance and decreased performance in sports that rely on dynamic balance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=static%20balance" title="static balance">static balance</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20balance" title=" dynamic balance"> dynamic balance</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20knee" title=" soft knee"> soft knee</a>, <a href="https://publications.waset.org/abstracts/search?q=athletic%20men" title=" athletic men"> athletic men</a>, <a href="https://publications.waset.org/abstracts/search?q=non%20athletic%20men" title=" non athletic men"> non athletic men</a> </p> <a href="https://publications.waset.org/abstracts/33209/the-influence-of-using-soft-knee-pads-on-static-and-dynamic-balance-among-male-athletes-and-non-athletes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33209.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">290</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">259</span> Comparative Study Between Continuous Versus Pulsed Ultrasound in Knee Osteoarthritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Karim%20Mohamed%20Fawzy%20Ghuiba">Karim Mohamed Fawzy Ghuiba</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa%20Aldeen%20Abd%20Al%20Hakeem%20Balbaa"> Alaa Aldeen Abd Al Hakeem Balbaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Shams%20Elbaz"> Shams Elbaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: To compare between the effects continuous and pulsed ultrasound on pain and function in patient with knee osteoarthritis. Design: Randomized-Single blinded Study. Participants: 6 patients with knee osteoarthritis with mean age 53.66±3.61years, Altman Grade II or III. Interventions: Subjects were randomly assigned into two groups; Group A received continuous ultrasound and Group B received pulsed ultrasound. Outcome measures: Effects of pulsed and continuous ultrasound were evaluated by pain threshold assessed by visual analogue scale (VAS) scores and function assessed by the Western Ontario and McMaster Universities osteoarthritis index (WOMAC) scores. Results: There was no significant decrease in VAS and WOMAC scores in patients treated with pulsed or continuous ultrasound; and there were no significant differences between both groups. Conclusion: there is no difference between the effects of pulsed and continuous ultrasound in pain relief or functional outcome in patients with knee osteoarthritis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20osteoarthritis" title="knee osteoarthritis">knee osteoarthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=pulsed%20ultrasound" title=" pulsed ultrasound"> pulsed ultrasound</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasound%20therapy" title=" ultrasound therapy"> ultrasound therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous%20ultrasound" title=" continuous ultrasound"> continuous ultrasound</a> </p> <a href="https://publications.waset.org/abstracts/45728/comparative-study-between-continuous-versus-pulsed-ultrasound-in-knee-osteoarthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45728.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">285</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">258</span> The Effect of Tai Chi Exercises on Postural Stability and Control in Older Patients with Knee Osteoarthritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Ghandali">Elham Ghandali</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Talebian%20Moghadam"> Saeed Talebian Moghadam</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Hadian"> Mohammad Reza Hadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Gholamreza%20Olyaei"> Gholamreza Olyaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Shohreh%20Jalaie"> Shohreh Jalaie</a>, <a href="https://publications.waset.org/abstracts/search?q=Elaheh%20Sajjadi"> Elaheh Sajjadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: A few studies have examined the effect of Tai Chi on balance in elderly patients with knee osteoarthritis (OA). The aim of this study was to determine the balance measures in elderly patients with knee OA after Tai Chi exercises. For this purpose, 14 females and 6 males with knee OA were chosen. The area and mean velocity of the center of pressure movements (CoP) were measured by force plate in standing positions (on foam and rigid surfaces). The measurements of area and mean velocity of CoP were performed before and after 60 min of Tai Chi sessions (twice a week for 8 weeks). Results: The results showed that the area of CoP in a standing position on a rigid surface was significantly decreased (P < 0.01) after Tai Chi exercises. Furthermore, the mean velocity of CoP was significantly decreased after Tai Chi exercises on both rigid and foam surfaces (P < 0.001). Our study also indicated that changes in surfaces (rigid and foam) would cause significant differences regarding the area of CoP in standing positions. How- ever, similar findings were not found regarding the mean velocity of CoP. Considering the effects of Tai Chi on the mean velocity of CoP, it might be concluded that motor control and Postural stability improvements have occurred. Conclusions: Therefore, based on these results, Tai Chi exercises could be recommended for elderly patients with knee OA as part of their rehabilitation and physical therapy protocols. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tai%20Chi" title="Tai Chi">Tai Chi</a>, <a href="https://publications.waset.org/abstracts/search?q=balance" title=" balance"> balance</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20osteoarthritis" title=" knee osteoarthritis"> knee osteoarthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=elderly%20patients" title=" elderly patients"> elderly patients</a>, <a href="https://publications.waset.org/abstracts/search?q=different%20surfaces" title=" different surfaces"> different surfaces</a> </p> <a href="https://publications.waset.org/abstracts/166397/the-effect-of-tai-chi-exercises-on-postural-stability-and-control-in-older-patients-with-knee-osteoarthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166397.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">257</span> Comparison of Isokinetic Powers (Flexion and Knee Extension) of Basketball and Football Players (Age 17–20)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ugur%20Senturk">Ugur Senturk</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrah%C4%B1m%20Erdem%C4%B1r"> Ibrahım Erdemır</a>, <a href="https://publications.waset.org/abstracts/search?q=Faruk%20Guven"> Faruk Guven</a>, <a href="https://publications.waset.org/abstracts/search?q=Cuma%20Ece"> Cuma Ece</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to compare flexion and extension movements in knee-joint group by measuring isokinetic knee power of amateur basketball and football players. For this purpose, total 21 players were included, which consist of football players (n=12) and basketball players (n=9), within the age range of 17–20. After receiving the age, length, body weight, vertical jump, and BMI measurements of all subjects, the measurement of lower extremity knee-joint movement (Flexion-Extension) was made with isokinetic dynamometer (isomed 2000) at 60 o/sec. and 240 o/sec. angular velocity. After arrangement and grouping of collected information forms and knee flexion and extension parameters, all data were analyzed with SPSS for Windows. Descriptive analyses of the parameters were made. Non-parametric t test and Mann-Whitney U test were used to compare the parameters of football players and basketball players and to find the inter-group differences. The comparisons and relations in the range p<0.05 and p<0.01 between the groups were surveyed. As a conclusion, no statistical differences were found between isokinetic knee flexion and extension parameters of football and basketball players. However, it was found that the football players were older than the basketball players. In addition to this, the average values of the basketball players in the highest torque and the highest torque average curve were found higher than football players in comparisons of left knee extension. However, it was found that fat levels of the basketball players were found to be higher than the football players. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=isokinetic%20contraction" title="isokinetic contraction">isokinetic contraction</a>, <a href="https://publications.waset.org/abstracts/search?q=isokinetic%20dynamometer" title=" isokinetic dynamometer"> isokinetic dynamometer</a>, <a href="https://publications.waset.org/abstracts/search?q=peak%20torque" title=" peak torque"> peak torque</a>, <a href="https://publications.waset.org/abstracts/search?q=flexion" title=" flexion"> flexion</a>, <a href="https://publications.waset.org/abstracts/search?q=extension" title=" extension"> extension</a>, <a href="https://publications.waset.org/abstracts/search?q=football" title=" football"> football</a>, <a href="https://publications.waset.org/abstracts/search?q=basketball" title=" basketball"> basketball</a> </p> <a href="https://publications.waset.org/abstracts/18790/comparison-of-isokinetic-powers-flexion-and-knee-extension-of-basketball-and-football-players-age-17-20" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18790.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">530</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">256</span> Ultrasonography of Low Extremities Veins Before and After Replacement of Knee Joint by Endoprosthesis </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20V.%20Alabut">A. V. Alabut</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20D.%20Sikilinda"> V. D. Sikilinda</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20J.%20Nelasov"> N. J. Nelasov</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20L.%20Eroshenko"> O. L. Eroshenko</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20N.%20Morgunov"> M. N. Morgunov</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20V.%20Koroleva"> I. V. Koroleva </a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have analyzed the results of treatment of 204 patients with knee prosthetic arthroplasty. For the purpose of active delineation of vascular pathology triplex sonography of arterial and venous vessels of low extremities was performed in all cases in the preoperative period. When it was necessary, reconstructive vascular surgery was implemented to improve peripheral circulation and reduce the hazard of thrombosis after knee replacement. The combination of specific and nonspecific methods of thromboprophylaxis was used in perioperative period. On 7-10 day and 2.5-3 month after prosthetic arthroplasty, all patients iteratively underwent triple sonography. In case of detection of floating thrombus, urgent venous ligation was performed. Active diagnostics of venous thrombosis gave the opportunity to avoid fatal pulmonary embolism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20replacement" title="knee replacement">knee replacement</a>, <a href="https://publications.waset.org/abstracts/search?q=venous%20thrombosis" title=" venous thrombosis"> venous thrombosis</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary%20embolism" title=" pulmonary embolism"> pulmonary embolism</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20surgery" title=" vascular surgery "> vascular surgery </a> </p> <a href="https://publications.waset.org/abstracts/5218/ultrasonography-of-low-extremities-veins-before-and-after-replacement-of-knee-joint-by-endoprosthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5218.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">368</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">255</span> Clinical and Structural Differences in Knee Osteoarthritis with/without Synovial Hypertrophy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gi-Young%20Park">Gi-Young Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong%20Rak%20Kwon"> Dong Rak Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung%20Cheol%20Cho"> Sung Cheol Cho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The synovium is known to be involved in many pathological characteristic processes. Also, synovitis is common in advanced osteoarthritis. We aimed to evaluate the clinical, radiographic, and ultrasound findings in patients with knee osteoarthritis and to compare the clinical and imaging findings between knee osteoarthritis with and without synovial hypertrophy confirmed by ultrasound. Methods: One hundred knees (54 left, 46 right) in 95 patients (64 women, 31 men; mean age, 65.9 years; range, 43-85 years) with knee osteoarthritis were recruited. The Visual Analogue Scale (VAS) was used to assess the intensity of knee pain. The severity of knee osteoarthritis was classified according to Kellgren and Lawrence's (K-L) grade on a radiograph. Ultrasound examination was performed by a physiatrist who had 24 years of experience in musculoskeletal ultrasound. Ultrasound findings, including the thickness of joint effusion in the suprapatellar pouch, synovial hypertrophy, infrapatellar tendinosis, meniscal tear or extrusion, and Baker cyst, were measured and detected. The thickness of knee joint effusion was measured at the maximal anterior-posterior diameter of fluid collection in the suprapatellar pouch. Synovial hypertrophy was identified as the soft tissue of variable echogenicity, which is poorly compressible and nondisplaceable by compression of an ultrasound transducer. The knees were divided into two groups according to the presence of synovial hypertrophy. The differences in clinical and imaging findings between the two groups were evaluated by independent t-test and chi-square test. Results: Synovial hypertrophy was detected in 48 knees of 100 knees on ultrasound. There were no significant differences in demographic parameters and VAS score except in sex between the two groups (P<0.05). Medial meniscal extrusion and tear were significantly more frequent in knees with synovial hypertrophy than those in knees without synovial hypertrophy. K-L grade and joint effusion thickness were greater in patients with synovial hypertrophy than those in patients without synovial hypertrophy (P<0.05). Conclusion: Synovial hypertrophy in knee osteoarthritis was associated with greater suprapatellar joint effusion and higher K-L grade and maybe a characteristic ultrasound feature of late knee osteoarthritis. These results suggest that synovial hypertrophy on ultrasound can be regarded as a predictor of rapid progression in patients with knee osteoarthritis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=knee%20osteoarthritis" title="knee osteoarthritis">knee osteoarthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=synovial%20hypertrophy" title=" synovial hypertrophy"> synovial hypertrophy</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasound" title=" ultrasound"> ultrasound</a>, <a href="https://publications.waset.org/abstracts/search?q=K-L%20grade" title=" K-L grade"> K-L grade</a> </p> <a href="https://publications.waset.org/abstracts/165477/clinical-and-structural-differences-in-knee-osteoarthritis-withwithout-synovial-hypertrophy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165477.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">254</span> Successful Rehabilitation of Recalcitrant Knee Pain Due to Anterior Cruciate Ligament Injury Masked by Extensive Skin Graft: A Case Report</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Geum%20Yeon%20Sim">Geum Yeon Sim</a>, <a href="https://publications.waset.org/abstracts/search?q=Tyler%20Pigott"> Tyler Pigott</a>, <a href="https://publications.waset.org/abstracts/search?q=Julio%20Vasquez"> Julio Vasquez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A 38-year-old obese female with no apparent past medical history presented with left knee pain. Six months ago, she sustained a left knee dislocation in a motor vehicle accident that was managed with a skin graft over the left lower extremity without any reconstructive surgery. She developed persistent pain and stiffness in her left knee that worsened with walking and stair climbing. Examination revealed healed extensive skin graft over the left lower extremity, including the left knee. Palpation showed moderate tenderness along the superior border of the patella, exquisite tenderness over MCL, and mild tenderness on the tibial tuberosity. There was normal sensation, reflexes, and strength in her lower extremities. There was limited active and passive range of motion of her left knee during flexion. There was instability noted upon the valgus stress test of the left knee. Left knee magnetic resonance imaging showed high-grade (grade 2-3) injury of the proximal superficial fibers of the MCL and diffuse thickening and signal abnormality of the cruciate ligaments, as well as edema-like subchondral marrow signal change in the anterolateral aspect of the lateral femoral condyle weight-bearing surface. There was also notable extensive scarring and edema of the skin, subcutaneous soft tissues, and musculature surrounding the knee. The patient was managed with left knee immobilization for five months, which was complicated by limited knee flexion. Physical therapy consisting of quadriceps, hamstrings, gastrocnemius stretching and strengthening, range of motion exercises, scar/soft tissue mobilization, and gait training was given with marked improvement in pain and range of motion. The patient experienced a further reduction in pain as well as an improvement in function with home exercises consisting of continued strengthening and stretching. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ligamentous%20injury" title="ligamentous injury">ligamentous injury</a>, <a href="https://publications.waset.org/abstracts/search?q=trauma" title=" trauma"> trauma</a>, <a href="https://publications.waset.org/abstracts/search?q=rehabilitation" title=" rehabilitation"> rehabilitation</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20pain" title=" knee pain"> knee pain</a> </p> <a href="https://publications.waset.org/abstracts/162700/successful-rehabilitation-of-recalcitrant-knee-pain-due-to-anterior-cruciate-ligament-injury-masked-by-extensive-skin-graft-a-case-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162700.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">253</span> Seismic Behaviour of RC Knee Joints in Closing and Opening Actions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Mogili">S. Mogili</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20S.%20Kuang"> J. S. Kuang</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Zhang"> N. Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Knee joints, the beam column connections found at the roof level of a moment resisting frame buildings, are inherently different from conventional interior and exterior beam column connections in the way that forces from adjoining members are transferred into joint and then resisted by the joint. A knee connection has two distinct load resisting mechanisms, each for closing and opening actions acting simultaneously under reversed cyclic loading. In spite of many distinct differences in the behaviour of shear resistance in knee joints, there are no special design provisions in the major design codes available across the world due to lack of in-depth research on the knee connections. To understand the relative importance of opening and closing actions in design, it is imperative to study knee joints under varying shear stresses, especially at higher opening-to-closing shear stress ratios. Three knee joint specimens, under different input shear stresses, were designed to produce a varying ratio of input opening to closing shear stresses. The design was carried out in such a way that the ratio of flexural strength of beams with consideration of axial forces in opening to closing actions are maintained at 0.5, 0.7, and 1.0, thereby resulting in the required variation of opening to closing joint shear stress ratios among the specimens. The behaviour of these specimens was then carefully studied in terms of closing and opening capacities, hysteretic behaviour, and envelope curves to understand the differences in joint performance based on which an attempt to suggest design guidelines for knee joints is made emphasizing the relative importance of opening and closing actions. Specimens with relatively higher opening stresses were observed to be more vulnerable under the action of seismic loading. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Knee-joints" title="Knee-joints">Knee-joints</a>, <a href="https://publications.waset.org/abstracts/search?q=large-scale%20testing" title=" large-scale testing"> large-scale testing</a>, <a href="https://publications.waset.org/abstracts/search?q=opening%20and%20closing%20shear%20stresses" title=" opening and closing shear stresses"> opening and closing shear stresses</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20performance" title=" seismic performance"> seismic performance</a> </p> <a href="https://publications.waset.org/abstracts/59136/seismic-behaviour-of-rc-knee-joints-in-closing-and-opening-actions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59136.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">221</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=knee%20orthotics&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=knee%20orthotics&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=knee%20orthotics&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=knee%20orthotics&page=5">5</a></li> <li class="page-item"><a class="page-link" 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