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: '913665967b6cdaa5',cH: 'vJYPRb7NEol4wQ1ZqAG0YjVVl5u8ZQy6d6sPlowV7WU-1739801803-1.2.1.1-SNxjH.XdN7RPfUmk0JoTYfa4oXTyKG02Y8OQuvlNuneVijeIEwh62feF8rkstpzQ',cUPMDTk: "\/abstracts\/search?q=complex%20of%20exercises&__cf_chl_tk=gj6JNHYY0tsKX8Pu0zX42AS2tQms.U9a2kx4wGg3Cdc-1739801803-1.0.1.1-fWh7pZMkNUCGHcOxq4UOSVxJILEGBaTm8726iKPRpEA",cFPWv: 'g',cITimeS: '1739801803',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=complex%20of%20exercises&__cf_chl_f_tk=gj6JNHYY0tsKX8Pu0zX42AS2tQms.U9a2kx4wGg3Cdc-1739801803-1.0.1.1-fWh7pZMkNUCGHcOxq4UOSVxJILEGBaTm8726iKPRpEA",md: "5J6VTiGeqPsUeaIrln0l3NOxk0F4HT_K1cWcFeVvY14-1739801803-1.2.1.1-QN3r26F2487FOrINiSlG1WdC3e.M36bBwBrMpUpGX.HBv7es8KDS6sSXQx6GrhN7NgXDg1IgGIZ896S2Ri.xbLmSQ8bdcyPnxpmYlYe146a5P4M_yibBJycRBflkZFaBo6BVwKCSxDepUXVWPZRmDxP6gK_KF3pU21.rB37YlEm94Kh.wvsGzhFNKGQoVcJOZvoHTHx0JMGLpW.AHGOZ51sYFOwJpf9n6cgbP1Ki6JoReW7MCi6zULbmMvf11h4CvIcS5OXtAAtW_aRFznVF6jfdwngKIjVE54Z_BS3R.tGKAazCnZ_pHgxopL2dtduxrylC4mn4JqRY0mbn.eH2XSX8WH3yo40B8tDMKI.lAesyVCDmcveGlTkUN3k2YsLilGEqxuuLzcI4G5wrPu9Khefa9W4eM_xT_cGAxWMSOPqOv_qni2E2ijDxlD3j_KlqpQ7v2vjYfQf7BNI_b2WLH8C3mmblVRyhJPQlGeq9j7ploM_.VuJ3yAiNwx.VRtnXYQgQQYl5EwsKORDEuDmULCll59IofTtANhUFA1CVVrlPWHiam8nFKUCc4tNV1l5Zx7zTmF2N_yX6f.uOKhLgWKp7ml9K.luWXftjydCYUP5SExKnKExeVkwa84VimNcWh9EJ.jmrmQ5HRuXndzA_2jpIG2d4zV5Vujk2wW7BdwYvkDFWkCmkjomHZiu1lMClG_Zh14Bluj5E_hTR6RJsF3_87uoGxCM4LdP1vXxthlpXxPSc6G3NcCLdIeDL8l6_ikdrcmNVVA3idLkAf9LNsfoCgAaKI49PLxDwuWU2ob9kAdUmFqc6wq6D6hvtgkILCh2bDiVTntM9QCzoucl6nN_D1sYlBmxxYKKh8igx1OKNgYQroyn9YMVLf8ndnMHWeXbhPrJfBvTUV6ccwJkKLiubZd9a8_qzjdBmwo2oc2UIXiPwKbDSLdeh5rxTHT4cfat.51qTHut2dUuowVLTRqcZbnjBuoKVfzMmWfrT0duKdoF3qiZRw.Nfo6W.Kzz1JBqfBSm_Kd3YFWlHQ_Szvhq2RSDi_ovxV0qSg8NfWkwcGp5NMB.G9EHwHpbCbUw4jSWQSdmeZemh57rce42XFL1pa7uldGq.5.v58fqQ7KEDI5fGY304wEzwu31pNoynFGs2ke7BElRFfe0I8ECRZ2ISZQ6IFz6ebbmfKmI.Bm8sNpB6RH2MCqA6GGVMjREGb1uWeYKO_w5L9oisgpOjIFINkEiaHegvxlLkaOTKEQM_CmZA29G0FET4b_q5PF0sQdEcl9TtutZewYzj8trXOffLCV3inXa1qQQ_pM0VFtPLo4nLKgF.sZFelXsywm0M9YptXcieDWFJViHFAzY9AJaX5I..bKqKCgWinbm3WnON2TkK88uHXBlp5r6pciSQ2zTf8WMDo5aBItFISVToLlS6betSZRZrp9jhSrY49IoUCLK7jUf_MgZusIuEbRFCyyvprGDbM0tT78.BAp4i6QEY4EHjLqQvfNPbMDiSHAqdee9Wxyktp6GijZ07sgAfvM9DNmK.3eeuUlyXTkFgpCP2LfOfnBvs1W6QduR9dOQKvGvOVbIXnXy0.zvmYkrd3q.S1Bain4Grh3ZiJtBeYU9HVQ7wd2FQORNHqCfesm8w1Dp3JIGVvVK3pIQ6m6eHpD2zfirhyiWJy9hrqEAyHBrG2rMFExsr6uVe2CEqd4dbnVOyNFGYzK6t5WvNVY_USXYq7E3UbpG3zvd1YKViDKX4yAIc1AbOEXc8xvrPhuHTUVWsQG8pSZQQ6tXuIGaWKF5iuBiV1a4oLto3hf3zAsS1M2a9yGN_lyNIeLu_nJY8ILvWOpFwiMX0tp6Ya2hYmP9OLde8330CC.jFZCm5cKlcegeI9uGf21flJ_Ea0z8R6xYXOFU6hdMb.ZkR8OHLcu05UjZn6b1zeHwvpTaCKv4wiYg_dC.HWRSEZ9Hp5MLiiiinEAHlfyMot389CBg_",mdrd: "YXU44FZx.qjFOEjBFIHg.1qlkVpUAn7xCjcI1dgNoMs-1739801803-1.2.1.1-G1Sxw4mOSw6c9tjiPrjGYzhkchbB6jOIuhqSMRqLxDf4RbJEk_SZi_srq45gv1X3sphJswN33Vuo_5OXH8X5UGeWhKd.S0B_CKDbfr0xl.vxPgkYhiOkA0NifBSVL_6hGaPNdOLKLblTS9hlWh4mOg2EOdmTQBRh7T5JxNTl_WkZJcB9BrMu3UTim3VENc5DWyeMXzMrZYW6kt7cJ9fdROG1EVPOLMpLuGuOhlAe1eJFtWTUaMcWyaUdSWIA3ojeh0CWSk.yCpmzQxrgeRBgLJXR3bKlHk.aEzZKeZce1aEwjkOI3eZmYieiU8cYfVEAP3SU852wOErXHTtZrUCLrgRNIww6IQysae38ntkzB6tjS0NNBzgd4tQ6Yz9LpBFUylN_5.rQoxSdmn15vaeAfUuBK5CPsNhvblYXAP7rNCQprMj5SOMG6bnbnYMsK4uuNdxAfS9ESXrzs7OZJo7Gk0GHDuuBHl_hB108cGfFSssgRSKtgUaVBRk.l0cfFGtIeA2ULjbGyO0aV8YD_xw9iisidEfO3MtoGxVi32e.5NPvtTvTMA.FH6JtCQ81Q4ZOYultksvGXAZQnUlhXSQ_JwnCUECBDIPmZ1BUJaHuju.4B7m.vS3l.2YJ95dzX6jrmmCtZvuxo3FUuJMjrHc_cHwL6oNeWAaKXv1srGoyIg55_N2FH68EDYfm3f.4P1xRpKarsyIXztko3Fw_j6oha.duYQ6Usub1LH274s1xDek7271PWYnEHtK.Q5y_SUWK8t2TmASxQ4v1DLo2efL3GNT89Bo.of4n0yysSXvYiR9IvaV8DvehbSr81AYdjE._ciESKJlo26vumfYrFPZSMlygSyv5iRz4IxYxwQ2UxsCVBnlNY1QVTTVr0bZ3RVK1j6iCMKdOGJwkzFU22oB6OgpTrEZPpjeC1VDkEE.74arbHBwtzbs4.KYe6fEla8OaaQED.VWKgtTQJY9oXx9KNLDiL07k3X_VgN786AKutJKU2AcQUO65OuXCybUkoUCYxT1Ra_uuTpK8uBVKJZYe5zTckZ3fQCGXI8B0ilLpLqleqJMg.kmHJSLJco3miqegiD5Jbgm6xqjqVU_WE4..6A2ZffOkREcWUR0p88pvUASjfJg3GNSANAxytRv_PKz3y_z7UssmLtTRE6oLu3c63fBLtrV0QDJZFD_woLVWSTX49JkGiVaiaMaZGHILip5BUa4jJ6.7XTTvO4XFGr6n5VdeJuo0CxYWsCAp10uA4H8sZz8nQ_dpBshG7LFZdSy8XU90GVOBl.eQdAe_wiuJvF3dr5aC7C3ZoY3bELb_89uVqR.5sGLmRmiiqUrNEf3u7XIOiQJq_v3IbmOOgQL.q9V1q95vmrLqc05imEYJ_nuv3_vyFoDkag9dH.WcjxUZS38JfxM8xRikGDV2RMN0xOQ8QPcjXdqYaDA6aF4Zm1Vam57kghWwr1C2jgQdAKg03_SMCE4NmHh..kifja5TvECAZG6JIqjo0057i9sDtmCDpvaxlfd42HpGuakLNYsG.kW6eEzOMT1Xt_7Uz49FszMSPtydNDw5hWf_X_z5ZmEYgmWHfnyOGO.Qec0vcI34sJRsbWy2RaFC_2iLZkk6KKwxiF4Jhf4x9n7SWTkT6Wkj..daLrLSSxKWXVGn63dwPPB83hSVn9ftVgxd.Bfj0bvjcKwU4pI9Kyvy6tyO6zmc0PAD6KJX8GH46YePkXkoI_rEjrHXsq.xZsfeLNJRwbEtexNy_6fIUpuHnoTD_rLbLeLR6niB51KTfdkC5utCXzL5T5Fj6YU1bJFWQeu0dvcW_DMGtvNtDh3j2K9E2fr2az9J1ovqrRYf9czaZ2c6bwvzyKCQeDNrD_xrrrfkzfesMyIzV1SRpjrcdxtC6mMpDXx_zvhRnXe1wmud4SVs33H1yBl4M_1foo2gJgZGEMllKeZMvhr21CGvErS3qwWKTJQvCsASqtEUJkBgv0Py"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=913665967b6cdaa5';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=complex%20of%20exercises&__cf_chl_rt_tk=gj6JNHYY0tsKX8Pu0zX42AS2tQms.U9a2kx4wGg3Cdc-1739801803-1.0.1.1-fWh7pZMkNUCGHcOxq4UOSVxJILEGBaTm8726iKPRpEA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>