Legendre polynomial coefficients in the analysis of the force plate measurements from an osteoarthritic gait |
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| Affiliation: | 1. Mechanical Engineering Department, Sharif University of Technology, Tehran, Iran;2. Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran;1. Key Lab for Biomechanical Engineering of Sichuan Province, Sichuan University, Chengdu, China;2. School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China;3. Yibin Institute of Industrial Technology/Sichuan University Yibin Park, Yibin, China;4. Engineering Research Center for Digital Medicine of the Ministry of Education, Shanghai, China |
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| Abstract: | The assessment of force plate measurements obtained from subjects with a pathological gail is normally carried out by a visual inspection of the force-time curves produced by the plate. It is shown that a valuable addition to that inspection is the derivation from the curves of Legendre polynomial coefficients, the first five coefficients being sufficient to indicate clearly, specific osteoarthritic abnormalities. |
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