The Kinematic Analysis of Back-Kick Motion in Taekwondo

TL;DRAbstract

The purpose of this study was to analyze kinematic variables during turing back kick motion of Taekwondo. The subjects of this study were the 4 skilled and 4 unskilled of male university player in respectively. The experiment of this study was used two 16mm high speed cameras and its speed 125 frames/s. Analysis of this data was three dimensional cinematography using KWON3D program package. The results were as following; 1. In the elapsed time, there was no significance difference statically between a skilled and unskilled group. But skilled group was more fast during the motion of I phase. And unskilled group was more fast during the motion of II phase so called force production section, which had an influence on Diechagi's velocity. 2. In the center of gravity of human body, the changing of it was <TEX>$1.10{\pm}0.04m$</TEX>, <TEX>$1.12{\pm}0.03m$</TEX> of LFM(left foot movement) and <TEX>$1.36{\pm}0.08m$</TEX>, <TEX>$1.39{\pm}0.09m$</TEX> of RKF(right knee flection), and <TEX>$1.44{

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