走行タイムの速い子どもに見られる疾走動作の特徴

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書誌事項

タイトル別名
  • A characteristic of sprint motion of children whose sprint time is fast
  • ソウコウ タイム ノ ハヤイ コドモ ニ ミラレル シッソウ ドウサ ノ トクチョウ

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説明

The purpose of this study is to investigate the characteristics of sprint motion in children through the comparison of sprinting movements between fast and slow groups, which were classified among 20 children based on their sprint time．The fast group showed high values in stride length and step frequency that determined the sprint speed．For the movements to raise step frequency of the fast group， it was suggested that the small changes in angles of the hip and knee joint shortened the time of a support phase．For the movement to raise stride length，the fast group showed the knee joint extension at foot contact and the enhancement of the hip joint angular velocity at take off (that be called large strides sprint)．On the other hand, this study showed that the sprint motions of the fast group did not always correspond to the characteristics of the adult sprinters．

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