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Modeling of Human Lower Limb and Technical Analysis of Athlete's High Leg Lift

Author:
Han, Shuyang  Ge, Shirong  Liu, Hongtao  


Journal:
2010 3RD INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING AND INFORMATICS (BMEI 2010), VOLS 1-7


Abstract(summary):

The appearance of human motion capture system enables the analysis of human motion. In this paper, the athlete's high leg lift exercise is studied. The motion was sampled through NDI motion capture system, and the data was imported into Visual 3D software to establish a lower limb model and to execute the simulation and analysis. The high leg lift exercise is partitioned into 6 stages, and it is found that there is a difference of 20 degrees in the maximum knee flexion angle between the dominant and non-dominant limb. Simultaneously, a multi-rigid-body was build to carry out the dynamic analysis. The flight height is linear with the square of angular acceleration of the non-supporting leg, and the thrust force changes with the angular velocity of the non-supporting leg in a parabolic line law. In conclusion, the human motion analysis technology helps the athletes to make the exercise scientific and efficient.


Page:
951---954


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