武道学研究
Online ISSN : 2185-8519
Print ISSN : 0287-9700
ISSN-L : 0287-9700
剣道の打撃における前方および後方への移動動作の分析
中鉢 秀一直原 幹榊原 潔三浦 望慶吉本 修
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1987 年 19 巻 3 号 p. 28-34

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The purpose of this study was to investigatet he efficientc haracteristicso f starting motion of skilled Kendo-man at Shomen-uchi and backward Kote-nuki.
Subjects for the study were each of 6 skilled and unskilled Kendo-men.
The photographical data and force curve from forceplate were analysed.
The results were as follows;
(1) At Shomen-uchi, Skilled Group move their center of gravity slightly to downward and forward when they begin to attack. Then, the center of gravity move rather horizontally and the velocity of center of gravity is larger than that of Unskilled Group. This large velocity in Skilled Group is caused by less maximum knee joint flection of left leg. This motion seems to use the potential energy. As the movement of right leg, the rate of step length of Skilled Group is larger than that of Unskilled Group. The toe of this lead leg carry back before it reach on the floor.
(2) At backward Kote-nuki, Skilled Group move horizontally and their velocity of center of gravity is less than that of Unskilled Group. But, in Unskilled Group, the upper part of the body bend forward for the backward Kote-nuki and their center of gravity move up and down. This motion is not efficient for next attack.

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