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스텝 에어로빅에서 박스 높이 변화에 따른 하지관절의 운동학적 분석
김규수 ( Kyu Soo Kim ),소재무 ( Jae Moo So ),김윤지 ( Yun Ji Kim ),여홍철 ( Houng Chul Yeo ) 한국운동역학회 2014 한국운동역학회지 Vol.24 No.1
This study researched into the left-right inclination of the rear foot at the lower limb joints, knee joint angle, angular velocity of the knee joint, angular acceleration and the max. Based on the analysis of kinematics according to the changes in the height of step box (6, 8, 10 inches) during step aerobics of female college students majoring in physical education. The findings of this study are as follows: Then angle of the knee joint decreased as the height of the step box increased the min. Angle was measured right before the right foot was on the step box, and the angle tended to decrease as the step box get heightened. The left-right inclination of the rear foot angle according to the height of step box increased as the height increased. In the ``pull-up’ stage during which the weight was loaded on the right foot the angle increased, while in the right foot stepping stage during which the right foot was on the ground, the left-right inclination of the rear foot angle increased as the height of the step box increased. The angular velocity of the knee joint according to the height of step box started increasing when the right foot initially stepped on the step box and during the initial stepping section, the angular velocity decreased as the height of step box increased. The changes in angular acceleration of the knee joint according to the height of step box increased as the height of step box increased.
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