巻き足動作の強さと巧みさとの関連について : 大学水球部員による3次元動作分析から

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  • マキアシ ドウサ ノ ツヨサ ト タクミサ トノ カンレン ニ ツイテ : ダイガク スイキュウ ブイン ニ ヨル 3ジゲン ドウサ ブンセキ カラ
  • Makiashi dosa no tsuyosa to takumisa tono kanren ni tsuite : daigaku suikyu buin ni yoru 3jigen dosa bunseki kara
  • Kinematic analysis of eggbeater kicks with and without fatigue (from male college water polo players)

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Abstract

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The purpose of this study was to investigate the technique of eggbeater kicks and to identify the factors that help players maintain height above water. The lower limb movements during eggbeater kicks of 14 male water polo players, who were in the college team, were analyzed using three-dimensional motion analysis. The characteristic results for eggbeater kicks in the case of 14 college water polo players were as follows : the duration of performing eggbeater kicks while holding a 15-kg weight ranged from 14.4 to 45.0s, the number of cyclic operations with the knee ranged from 33 to 78, and the time length of one cyclic operation with the knee was 0.43 to 0.65s/cycle. This duration correlated positively with the time length of one cyclic operation.

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