Based on the characteristics of physiological development of China's juvenile men sprinters,combined with the training mechanism of explosive force,and taking the track- and- field team of Jianshan High School in ...Based on the characteristics of physiological development of China's juvenile men sprinters,combined with the training mechanism of explosive force,and taking the track- and- field team of Jianshan High School in Chongqing as experimental object,this article selects the combination of one leg training methods and the combination of two legs training methods to carry out group control experiment. The result shows: each index score of the two groups of athletes is improved after training,but the characteristics of employing forces and the way of muscle work in one leg jumping exercises such as the one leg jump and step are much closer to sprint techniques. And using this kind of methods can effectively develop the special quality of juvenile sprinter.展开更多
This article analyses the main parameters of the technique of the six world elite women 100-meter sprinters.The analysis shows the main characteristics of the technique for reference in training our national women spr...This article analyses the main parameters of the technique of the six world elite women 100-meter sprinters.The analysis shows the main characteristics of the technique for reference in training our national women sprinters.展开更多
目的:该文旨在运用等速肌力测试系统,对短跑运动员双下肢肌肉功能进行评估,探寻下腰痛(Low back pain)与下肢运动功能的联系,并根据表面肌电的结果进一步探究下腰痛与腰臀发力技术的相关性。方法:选取15名田径队平均年龄为(16.40±1...目的:该文旨在运用等速肌力测试系统,对短跑运动员双下肢肌肉功能进行评估,探寻下腰痛(Low back pain)与下肢运动功能的联系,并根据表面肌电的结果进一步探究下腰痛与腰臀发力技术的相关性。方法:选取15名田径队平均年龄为(16.40±1.24)岁的青少年短跑二级及以上运动员,其中下腰痛病史运动员6名,将其余无病史运动员编入对照组,并对所有运动员进行300?/s的髋关节向心屈伸等速肌力测试,采集峰值力矩(PT)、平均功率(AP),以及5个连续下蹲跳运动过程中腰臀部的表面肌电测试,选取反映肌纤维募集数量的积分肌电值(IEMG)作为测试指标。结果:等速肌力测试结果表明,下腰痛组运动员伸髋时PT、AP(EPT、EAP)的组间t检验结果为P<0.001,双下肢具有极显著性差异,而对照组无明显差异。表面肌电测试结果表明,下腰痛组运动员在连续完成5个下蹲跳时腰部IEMG值组间t检验结果为P<0.001,极显著高于对照组腰部IEMG。结论:患有下腰痛的短跑运动员更容易使用腰部肌肉发力,同时存在明显的双下肢伸肌肌肉失衡的现象。展开更多
基金Chongqing Key Humanities and Social Science Project(10SKB02)Fundamental Research Funds for the Central Universities(SWU1109067)
文摘Based on the characteristics of physiological development of China's juvenile men sprinters,combined with the training mechanism of explosive force,and taking the track- and- field team of Jianshan High School in Chongqing as experimental object,this article selects the combination of one leg training methods and the combination of two legs training methods to carry out group control experiment. The result shows: each index score of the two groups of athletes is improved after training,but the characteristics of employing forces and the way of muscle work in one leg jumping exercises such as the one leg jump and step are much closer to sprint techniques. And using this kind of methods can effectively develop the special quality of juvenile sprinter.
文摘This article analyses the main parameters of the technique of the six world elite women 100-meter sprinters.The analysis shows the main characteristics of the technique for reference in training our national women sprinters.
文摘目的:该文旨在运用等速肌力测试系统,对短跑运动员双下肢肌肉功能进行评估,探寻下腰痛(Low back pain)与下肢运动功能的联系,并根据表面肌电的结果进一步探究下腰痛与腰臀发力技术的相关性。方法:选取15名田径队平均年龄为(16.40±1.24)岁的青少年短跑二级及以上运动员,其中下腰痛病史运动员6名,将其余无病史运动员编入对照组,并对所有运动员进行300?/s的髋关节向心屈伸等速肌力测试,采集峰值力矩(PT)、平均功率(AP),以及5个连续下蹲跳运动过程中腰臀部的表面肌电测试,选取反映肌纤维募集数量的积分肌电值(IEMG)作为测试指标。结果:等速肌力测试结果表明,下腰痛组运动员伸髋时PT、AP(EPT、EAP)的组间t检验结果为P<0.001,双下肢具有极显著性差异,而对照组无明显差异。表面肌电测试结果表明,下腰痛组运动员在连续完成5个下蹲跳时腰部IEMG值组间t检验结果为P<0.001,极显著高于对照组腰部IEMG。结论:患有下腰痛的短跑运动员更容易使用腰部肌肉发力,同时存在明显的双下肢伸肌肌肉失衡的现象。
