B18 走動作における下肢筋張力の身体重心速度に対する貢献度の推定(生体2)

概要

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The purpose of this study was to estimate contributions of muscle forces of support leg to the velocity of the whole body center of gravity (CG) in running. We developed a method to quantify the contribution by using a musculoskeletal model which has 35 Hill-type muscles and 5 degree of freedom with SIMM software (MusculoGraphics Inc.). The contributions of the muscle forces to the CG velocity during support phase were derived from the equation of motion of the whole-body. One male subject participated in the experiment, and the results showed that hamstrings and gluteus muscles contributed to the increase in the vertical velocity of the CG and to the stabilization of weight-bearing at the initial support phase. Soleus muscle showed the largest contribution to the increase in the horizontal and vertical velocity of the CG.
社団法人日本機械学会の論文
2007-11-13