Abstract
Biomechanical analysis of the musculoskeletal system has become an important issue in human motion analysis. The aim of this study is to create an optimal landing motion using musculoskeletal model and to clarify a dynamic characteristics of landing motion. The human body using in this study is modeled as a system of rigid bodies in the xy-plane. The model consists of eight rigid links and seven joints including 19 Hill-type muscle models. The optimal landing motion was created by Multi-Objective Genetic Algorithm with three cost functions. We obtained Pareto optimal solutions and visualized each landing form and time history of joint angle. Then, we performed the experiment that landing task by two male subjects. The position of body parts and surface electromyogram was measured by a motion capture system and a wet type electrode to examine biomechanical characteristics. Finally, we evaluated biomechanical behavior of landing motion and verify the validity of the proposed simulation model.
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