3P1-H05 力知覚機能を向上させるウェアラブルスーツ(筋骨格モデリング)

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  • 3P1-H05 Muscle activation assistive wear that improves force perception performance(Musculoskeletal modeling)

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In this study, we examined (1) weight discrimination capability of human subjects with different muscle load, and (2) sensorimotor capability of human subjects when using a muscle assistive equipment. According to previous studies, humans can sense the intensity of external stimulus more accurately when voluntary muscle activation is less. We developed a three-dimensional musculoskeletal model based on an upper extremity model, and calculated the muscle activity required to keep a posture. We also conducted human experiments and revealed that the weight discrimination capability improves as voluntary muscle activation is less. Based on the experimental results, we developed a muscle assistive equipment that unloads the weight of one's upper limb and evaluated the improvement in the sensorimotor capability when using the equipment. The results show that assisting the muscle load is effective to improve the sensorimotor performance.

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