2A2-F05 手先力制御における筋協調解析(筋骨格モデリング)

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  • 2A2-F05 Analysis of Muscle synergies in Hand-Force Control(Musculoskeletal Modeling)

説明

How humans solve the problem of motor redundancy is an open question. To gain insight into this process, we investigated the muscle synergies extracted from human subjects in a producing-force task to explore the method of human's hand force control. Focusing on coordination of agonist and antagonist muscles, we introduce the A-A ratio and A-A activity. We observed a high correlation estimation of the muscle synergies extracted by applying Principal Component Analysis (PCA) to A-A ratio dataset with the force-direction. On the other hand, the muscle synergies extracted by applying PCA to A-A activity dataset was observed a high correlation in the magnitude of the force. These result indicate humans control force-directions with A-A ratio and force strength with A-A activity.

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