クッション性舗装材上の歩行負荷評価を狙った筋骨格シミュレーション

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  • Musculoskeletal simulation for load assessment of gait on the elastic pavement material

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<p>Because lower extremity muscle forces and muscle activities involved in gait are closely related to stiffness of flooring material, development of flooring material which can suppress loads on the lower extremities is necessary. We have developed an elastic pavement material which is made of 3D network structured fiber material with the aim of decreasing loads, and it is necessary to assess its suppression effects on loads mechanically. In this study, we obtained gait motions of 7 subjects on the elastic pavement material and on normal flooring, performed musculoskeletal simulation and compared joint reaction forces and muscle activities involved in gaits between the flooring types. The results show that the maximum values of joint reaction forces and muscle activities of the gait on the elastic pavement material were smaller. These could be derived from the change in walking posture and kicking conditions due to the flexibility of the elastic pavement material, and also corresponded to our previous results of a sensory evaluation. The results suggest that the elastic pavement material can suppress loads on the lower extremities during walking. Furthermore, and effectiveness of musculoskeletal simulation for assessment of loads during walking was demonstrated.</p>

収録刊行物

  • 年次大会

    年次大会 2023 (0), S232-03-, 2023

    一般社団法人 日本機械学会

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