Impacts of Short Vigorous Activity Interventions on Long Throw Distance and Throwing Direction in Preschoolers

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  • 短時間の運動遊び介入が幼児の遠投距離と投げ出す方向に及ぼす効果
  • タンジカン ノ ウンドウ アソビ カイニュウ ガ ヨウジ ノ エントウキョリ ト ナゲダス ホウコウ ニ オヨボス コウカ

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This study examined whether short vigorous activity interventions have impacts on improving throwing direction in sagittal plane and increasing long throw distance in preschool children. Forty-seven kindergarteners in two four-year-old child classes were participated in this study. One class played a vigorous activity named “Flying Spook” in which children fly small Origami kites mimicking TV character, and the other class played “Bomb-game” in which children throw balls into opponent side beyond the net of 155 cm height. Both activities lasted for about ten minutes. During both activities, experimenters encouraged the children to throw higher and further, but no instruction for improving throwing motion was given to the children. Ball throw distances of all the children were measured immediately before and after their intervention activity. Also, each of their videotaped throwing motions was identified its throwing direction adequacy afterward. “Flying Spook” had no effect on throwing direction and throw distance. In contrast, after the “Bomb-game”, rate of the children whose throwing direction was judged “very low” decreased significantly relative to before the activity. Moreover, increase in long throw distance was significant. We conclude that “Bomb-game” improves throwing direction and increases throw distance in preschoolers in about ten minutes.

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