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为什么短跑运动员要xia蹲起跑?

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为什么短跑运动员要下蹲起跑?

在田径赛上我们常常看到,短跑运动员在起跑前先要蹲下来两脚一前一后,后脚用力蹬地,zuo预备姿势,目的只有一个一一跑得更快。为什么要这样呢?短跑运动员先蹲下来再起跑和弹簧压缩的dao理其实是一样的。由于短跑比赛竞争比较激烈,分秒必争,如果起跑时慢了一步,再追就已经迟了。所以运动员在起跑前先蹲好,听到发令枪声后再猛地起跑,肌rou会产生一guqiang大的爆发力,像弹簧一样,能使运动员以最快的速度;中chu去。因此短跑运动员在起跑时采取下蹲姿式很必要。

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