CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '913573528a80ff8a',cH: 'BvPJt9LzoTWCiK0cZwHgpMhp0XIuayJ3Z.TprvwzZUQ-1739791880-1.2.1.1-yao35fgsr43fP71pvfRoSwKKkfJbTpUqEbnciOf4X3bRAttp31JYiN0Gtp9BGC5f',cUPMDTk: "\/abstracts\/search?q=leg-press&__cf_chl_tk=YnSa5qY7J1Xeb57iIVwxvzQlOep_g_1c.SOaVYxPd9I-1739791880-1.0.1.1-pRTTTfVTkGKIwKo96sZ17iOQCJyonJ2QRfkgUnPo6Ck",cFPWv: 'b',cITimeS: '1739791880',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=leg-press&__cf_chl_f_tk=YnSa5qY7J1Xeb57iIVwxvzQlOep_g_1c.SOaVYxPd9I-1739791880-1.0.1.1-pRTTTfVTkGKIwKo96sZ17iOQCJyonJ2QRfkgUnPo6Ck",md: "slxpFnN2TlcXjNlVMasZI4DHm.7ai0fiKnqIyql2mAw-1739791880-1.2.1.1-8fO9xBnnfNmscUk_kngPaZOoZSSggXE2J5oQpgekxoHt9lWyOITnaLoqmwjcHQwoZpRhD650Dl_68JO.eBcRqpVWxEym2fy3HQ6muX0R9R6OJ56o7JAYPm4cdwnRf8UGgN9rETUFZv3nAJlYHOcAbpr6CMcW_SHl_cLqYx1QxU8Qzs6UjYcdL.ZyCXJyRPYt0sRjBSatQnyQ_0c9T2RPOH7bJjF1GCQhWr6_hDziyJiP4i3BrlJ3afBHGUdgt86PxmVL6KoIyoQG0QBSv5hF_PCOLsm7wak4zCkuGtuTy9aRO6_8p6SiN8wvbSzef8oxXGwrG.aw9zZXLDdmRE4u9.IuxwzDLQhlKthCJhHErJZ1OG5TSMUbUjMLLR54Bf2NgACRWKS1VyBkgnh3Olob3aARM2wzOG4CqKE3bFRzYDaEPLIncS73t2jgxTaR5w.aKal4NE5K7R3xTP2SVFCz.bpPZD8aYcdlC0gQBFA7VHrbLJn695Mw.KRCCnOkEx.m75Y8BdOi1sn12FJ1onhr1XRhjPLihTjI5Ev8wxtyVMRqjInJau2DYaey9N.ftqh2Qjw89h6zxfEyNY7KrEnTKkOJ6f5Dgqrh69wNCcHhB8jGvSCRK_dUIKRG0Ji.rzxf7v_xTMe0s5UOz_Y5P2bcvjKVfsEnZ32J4dVFWsBAhl1I4covbtuUxVTjZNnV3gZSYTgKAWAQJgej4grqAfyNB5TU4xz1ScKq_B9WKWzlx.vhIgI2KxVbqh1NcFWWfOdGWAXg9GcfNJ.DJVA.9.CgOZ1PTCLDTmd9kogOdw0D_xXUcq3mxb9FaKG3_2qRddYg_lMnQVdTRwVlK9VEKAA0psohIl.oAtL17bE0FzDq96c7EKOMgd0NmlBItPhCOon_WmF5jruz2YG0fpCuB0c1uQ_aWlHCwGq4XtTwfSWxHZwJ5S.BULOQH3BytsB5O3VhA3cUYY6Rn7A4.hf4ECCmyl6yu8pm8xvjdHGF25gLdX6xMrUBZHXTMuSypudeuHaLKut.keIoDNH1nxgylvFHEHeiaAxpu62Ow9kZfmcl6kg1pAWOxYjyRWb1d0kZWibjKyu0iR0huirlIjYui8sFstxfPI7zDeHSeOj_Shm.fREr2737b65kKad03e5C1hdAkOcZf51RatmRJsP0TnAUVHXQKeYX1G.EJy64rQ5pRxpkT3zEW8TQCiKTzoFXAJK_ojYiGnDb1v0W.VzzVsUCodOWx0k7NQr4JguztIN_3YIzeF5SXNiFSWqHZkY57L5ho.tZJaN4.6.5mQ4iLY5opRZPrxIc7BGQhDEmT5O_wOexMtSQ7nKmtXMGMbZRN9LPuGFu6Xdhr1G92tE2RSJpTEQJPfHBBo5JpLoj.x6toDgSfIyXCnJ4Ghb7dD23VOaGzv0GIn2GZEHk9TV9VdSnj7nayeBnOeQJoJuQ1GohBk8ArNS1LZx.99UuLRueKydrm4K2KhQF2FffRf81_ONVA0g6Xb0rETJbx2FRgwkrvdCtnJZYrmRleChfD_BC6MG_.dF88u9HYyJFHVdrXef3r65cYZZ6caPLnOe0KBmv1zAOC5Wz0stkUUP5M2aKnIaMf76CEDg5nCXEdCbC6s7ZnJb5XSCYDQkhUZ6oW6.hcTLy62yeUVvAl13GLFnSUsmetO.ZxpHDCYS.i_F0yVltMAGDuSD.BrejYHEwTrdKUv9QSzmJ4jZWZO1CKH5LI8FS4hVh7EvWdbZLFbJWWD1LLVkfkL0QA07FiHSOj_YDHWIZGGBQPcMaQuXyNBrb0T0cYshHgeQxBq0T0MdjWSxbyJww1E72Hl.NXrca06nBzMT5R0zgcWKXbyMmGRVZ1jtKUY3wCsJgpnUPUszWGVM47HGD1QySytQOhyH51VcLkt_UI4bSWY13AsdCKJ4djWBdTaAnkafC6uFUlJXq2iZx7g",mdrd: "bMOHhdhgDtDtMuwnTrUq0VeJL8APsIyTlvsIrtW.ffw-1739791880-1.2.1.1-Bpx_cdwM0vAXZNxEqdtd7Uq87wkime4FvqhN5A0ZHpB9EuIMAvRxD3KBHnZrQSjDKOL41u94gqB_gXHOg5nu_BCKe_Vh4rq_N9d6xiJVewcUZEA9FWOU8BLVLZDANgj68Um8WuhQOQRfjdF.3HAv_SeKIGP2Ww17I22fZ_bnlufcJPbpHpHLWw8NC1PFxgh8RAKclhHW__pxftdluHr8djozL2b5Q.SXYZnWSFmAgjzrXKAlICfEaeo1RHbg44RH40_r8gxhAQfdyPyEwNuYhlxw5S_rRPjFOh6dgc9y7yQudLc07vAsB20DwR5TeMq1fNQUpR7eO1cRs5xQsoBuv0wscmdltBBUGeGGF8Zwh9MgqaCT0A8M6H8HQf1BRLhpydUtUunasR9yEvrlzcsf5uKnKPvsb5AVST8X21EC96AaCBwm21P4mAdf_M94wnHKktybW2rWFCq_ZIoeD1r6brmEhvK_UzZnwhkGmkjlLhISiuqiit5A_N8djxpD3TOwSZXCMPqxIF3OVpsdWfnlBrFPLTcbe4_cBF7rFRNonCuqAFkXPaHmMCmv_pQOURPrIbLY5yG148iDkqdA..eAnyQRAYtgKDJuqbl2A9F1WSy8pkpS59_MOMLf.2ZYhjSpVWqfMmTg1l89D2TGOPhOmo7FWTpjeIXY_rQDHT4p6N04DKLLJ3U_ROI930J.vbkN45b.RS0tTyE4V5T2oqqxVG4MIFPSUiOuEf9t.IFhQL0ZFt9pDtqAHUBqk4apV7tvEihh1_NI_meq3HpZvVbwaqwcLKIW_104pn1I7po1Wta7XKY6SlSTk2VZ4zVzOGOOZpueIDgf9pFATFCBELF9xxsIzejKBCtbvPgPCmbXf.wCmGmo90S8c5VBFmmGOTlvBfpr9vVUdj.XREHpEjDGiPppuhCauUQ4F.LZGeTncFwGVpQ3_zMiH3Hj0sq7EkdXn0djQv0GKE_B89E0kymg37I6MR8NsamyOHcrpTWRxTAjEQHueCpGt9LSuaAe4nMqg29oLReE35sHfxTsaROxVwj4SL1yIu7Gv3bZTD4wr1mNbt68I4MVlRTfCt3_vNKjznoQwF1S8yzvWu002BUQCi23vV2JDzEdWrk19_vqn17PMP_x8SfVrO4SZp3fIm1parFIM2VOMkS7yPHQbzeSNZSlwzN_bkOCrAJ28W6bmXOIVGIl6M5OsvuoOt_U88uiPUgBU4blEE2Xlur4NiTru5_hymFrxPniwBBswC5o7juCAFy1PTYnxeDrWd34mDRIjKvd.01xrXa1TAPFf_NK5LNxgAWiTLuYyGGbofBXpGjaTdb6jtD1BvCcMLgWPQtF_F8QgoA2GfbG6K8_RNuMpKW0N0KBI4A0bvRjxEUCDG9DToRiF61x3puUNNUrHFl.9o71EGBkj.Blpagq9mCExMmK_txVy80vqGBJBhW0.fmJd3fh0C4uSVC_ub7qD588oVLH1xbl2wKTYpCVlTVFkdqO3zx.udDtHRMty2kqPf2Bfvdn79wsyYtcRSQlZYBOlP9gjxwVdwDYKbrtdbFTuEyKtyhaCsNvwl9r2Mjms4dnZXAuJTnu2iYLTbLnaIxlnr5BNAkmssBkmXbdAa7frYapVXpNdzX4E7U98res9_srfeisVyJ.efgYdLm1Jee4HHXrgqqGa0GeMNT2.ZKPGeZxEY2b_gjgnuzYG6VyR4GCql3pvw2x0X8NlB6drAKI3Rs.5p8uTLAgz7jtfx4XhJXhvaDzjajm_DpJaBeHNPNoqXaVBlo4sOkw_fvWLLU3TF.6nxg6KycW1Vr3IycDzleOk5poH96gQFm7talY3l26qwR3Eo_5z170rlOteNMTRTokBqOxyTRdw1tWPmDvX_oVQO1lrBKoy.DWrSmAvdkRu4UpWyr5EiMdUqSyCeCR8gm0giX7H0rxw.VVAOvmOo55N5OPwJzkKhh1ivQGXG4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913573528a80ff8a';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=leg-press&__cf_chl_rt_tk=YnSa5qY7J1Xeb57iIVwxvzQlOep_g_1c.SOaVYxPd9I-1739791880-1.0.1.1-pRTTTfVTkGKIwKo96sZ17iOQCJyonJ2QRfkgUnPo6Ck" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>