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  • 标题:踏切面の違いが体操競技選手および陸上競技跳躍・混成選手のリバウンドドロップジャンプ遂行能力および跳躍動作に及ぼす影響
  • 本地全文:下载
  • 作者:本嶋 良恵 ; 小森 大輔 ; 北川 淳一
  • 期刊名称:体育学研究
  • 印刷版ISSN:0484-6710
  • 电子版ISSN:1881-7718
  • 出版年度:2016
  • 卷号:61
  • 期号:1
  • 页码:1-10
  • DOI:10.5432/jjpehss.15009
  • 出版社:Japan Society of Physical Education, Health and Sport Sciences
  • 摘要:This study examined the influence of differences in take-off surface hardness on rebound drop jumping skills and jumping movements, involving gymnasts and field jumping/combined athletes. The participants performed rebound drop jumps from a 30-cm-high platform with a hard surface using (spring) or not using (non-spring condition) a springboard, and their movements were measured with an optical three-dimensional motion analysis system (Mac3D) and a multi-component force plate. The jumping height and the RDJ index were significantly greater under the spring than the non-spring condition (p<0.01). Under both conditions, the jumping/combined athletes showed markedly higher jumping height than the gymnasts (p<0.05), the gymnasts showed a markedly shorter contact time than the jumping/combined athletes (p<0.001). Furthermore, under the spring condition, there were no significant differences in RDJ index values among the events. These results show that RDJ index-related factors under the spring condition varied among the events. In addition, gymnasts have mastered an effective jumping motion in order to effectively store elastic energy in the spring from the surface by increasing their leg stiffness. On the other hand, jumping/combined athletes have mastered an effective jumping motion in order to effectively store elastic energy in the lower limbs through the bending and stretching motion of their lower limbs.
  • 关键词:springboard;スプリング板;competition properties;競技特性;RDJ index;motion analysis;動作解析
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