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http://dx.doi.org/10.5103/KJSB.2014.24.1.067

The Kinematic Analysis of the Lower Extremity Joint According to the Changes in Height of Box during Step Aerobics  

Kim, Kyu-Soo (Department of Physical Education, Master's School of Konkuk University)
So, Jae-Moo (Department of Physical Education, College of Education, Konkuk University)
Kim, Yun-Ji (Department of Physical Education, College of Education, Konkuk University)
Yeo, Houng-Chul (Department of Coaching, College of Physical Education, Kyung Hee University)
Publication Information
Korean Journal of Applied Biomechanics / v.24, no.1, 2014 , pp. 67-74 More about this Journal
Abstract
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 rearfoot 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 rearfoot 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.
Keywords
Step Aerobics; Height of Step Box; Analysis of Kinematic;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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