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立定跳远落地姿态的合理性
  • 摘要

    对30名受试者正常和“外八”两种落地姿态立定跳远成绩、走路步向角、踝关节内收、外展等动肌力测试,探讨“外八”姿态落地对立定跳远成绩的影响。结果发现:与正常姿态落地相比,立定跳远采用“外八”姿态落地对落地后身体稳定性的影响差异不具显著性;两种落地姿态的立定跳远成绩差异没有显著性;采用外八字姿态落地,50%(男8人,女7人)成绩下降,幅度为0.05 m,33.3%(男4人,女6人)成绩上升,幅度为0.07 m,百分率和升降幅度差异均不具显著性;采用外八字姿态落地立定跳远成绩升降幅度与步向角,踝关节快、慢速外展最大幅度均中等程度相关(P<0.05)。结果说明:与正常落地姿态相比,外八字落地姿态立定跳远的成绩升或降因人而异,与受试者步向角,踝关节快、慢速外展的最大幅度呈中等程度相关,步向角越小,踝关节外展最大幅度越大,采用外八字姿态落地立定跳远的成绩提高的几率越大。

  • 作者

    张秀丽  陈宝玲  杜高山  田文学  ZHANG Xiu-li  CHEN Bao-ling  DU Gao-shan  TIAN Wen-xue 

  • 作者单位

    华南师范大学 体育科学学院,广东 广州,510006/广东警官学院 警体部,广东 广州,510230

  • 刊期

    2014年6期 PKU CSSCI

  • 关键词

    运动生物力学  立定跳远  落地姿态  步向角  等动肌力  sports biomechanics  standing long jump  landing posture  pace angle  isokinetic muscle strength 

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