日常生活環境における大腿義足歩行の主要な下肢関節回転運動パターンの解析 Analysis of principal rotational motion pattern of lower limb joints during trans-femoral prosthetic gait in daily living environment

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著者

    • 林 祐一郎 HAYASHI Yuichiro
    • 首都大学東京大学院 理工学研究科 機械工学専攻 Department of Mechanical Engineering, Graduate School of Science and Engineering, Tokyo Metropolitan University
    • 辻内 伸好 TSUJIUCHI Nobutaka
    • 同志社大学 理工学部 機械システム工学科 Department of Mechanical Engineering, Graduate School of Science and Engineering, Doshisha University
    • 宇野 龍司 UNO Ryuji
    • 同志社大学大学院 理工学研究科 機械工学専攻 Department of Mechanical Engineering, Graduate School of Science and Engineering, Doshisha University
    • 牧野 裕太 MAKINO Yuta
    • 同志社大学大学院 理工学研究科 機械工学専攻 Department of Mechanical Engineering, Graduate School of Science and Engineering, Doshisha University

抄録

Recently, it is thought that trans-femoral amputees are needed to regain moving pattern by refined rehabilitation program using joint angle and joint moment as kinematic and kinetic conditions on the prosthetic limb with the artificial knee joint. On the other hand, understanding physical feature quantities applied on the prosthetic limb is important for biomechanical consideration of trans-femoral amputees. However, the proposed evaluation method by using singular value decomposition of each joint moment during trans-femoral prosthetic gait has not yet been considered. Besides, when the proposed evaluation method of each joint moment is applied to trans-femoral prosthetic gait, the gait measurement has been experimented concerning only the constrained unnatural gait by laboratory, practical gait as the activities of daily living has not adequately been experimented. In this paper, analysis of principal rotational motion pattern of lower limb joints concerning joint angles and joint moments during trans-femoral prosthetic gait based on the focus on level, upslopes, downslopes, upstairs and downstairs as daily living environment is aimed to clarify comprehensive spatial coordination patterns of a trans-femoral amputee with the prosthetic limb. Each physical parameter is measured by using mobile force plate and attitude sensor. As a result of the experiments and data analysis, singular value decomposition extracts the principal motion patterns from the physical feature quantities and specific points of accurate differences between gait conditions are elucidated. In the end, the effectiveness of biomechanical evaluation of each trans-femoral prosthetic gait pattern by the proposed method is validated.

収録刊行物

  • 日本機械学会論文集

    日本機械学会論文集 82(835), 15-00525-15-00525, 2016

    一般社団法人 日本機械学会

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