サッカーのプレースキックにおける蹴り足と地面の接触動態

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タイトル別名
  • Dynamics of contact of the kicking foot and the ground at the time of the place kick of the soccer

説明

<p>There has not been any studies which focus on the contact between the kicking foot and the ground at the time of that the ball is being kicked. The purpose of this study is to analyze contact between the kicking foot and the ground in movement of the ground while kicking a ball at rest, so that we can get tips on how to design soccer shoes. Ten subjects made straight kick and top spin curve kick with placing a ball on the Force plate. We took some images, which show the contact between the kicking foot and the ground, by high-speed camera in order to get to know how the amount of momentum has been changed. As a result of that images which we recorded, in case the ten subjects made a straight kick, seven out of ten subjects kicked the ball with making contact the ground by near the tip of the thumb. The average value of the impulse of the straight kick were that the x-axis component was 1.1 Ns, the y-axis component was 10.9 Ns, and z-axis component was -21.6 Ns. As a result of that images which we recorded, in case the ten subjects made top spin curve kick, two out of ten subjects kicked the ball with making contact the ground by near the thenar. The average value of the impulse of the top spin curve kick were that the x-axis component was 2.7 Ns, the y-axis component was 5.1 Ns, and z-axis component was -8.7 Ns. In conclusion, this contact between the kicking foot and the ground may occur while swinging the kicking foot of kicking a ball.</p>

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