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一、确定模式的依据目前田径技术和训练理论不断深化,人们对跳远最后几步助跑速度进行广泛的研究,研究的重点是助跑最后两步步长的变化。最后两步步长的合理变化,不仅直接关系到助跑速度的利用,而且可为快速完成起跳打下良好基础。根据国内外专家的研究、总结,跳远助跑最后两步步长相对比例存在三种类型: 第一种,助跑倒数第二步大,最后一步小,两步步长相差约20-40厘米。
First, to determine the basis for the model At present, track and field technology and training theory is deepening, long jump people in the last few steps to run a wide range of research speed, the focus of the study is to run the last two steps of change. The reasonable changes of the last two steps are not only directly related to the utilization of running speed, but also lay a good foundation for quickly completing the take-off. According to the research of experts both at home and abroad, there are three types of relative proportions of the last two steps in long jump. The first one is that the second last step of run-up is large, the last step is small, and the difference between two steps is about 20-40 centimeters.