在四种竞技泳姿中, 很多人都觉得蝶泳比较难。 它对身体协调性以及手臂、腰部、 腹部和腿的要求较高。
但是蝶泳的观赏性较高, 是力与柔的完美结合, 练好蝶泳尤其对健身有帮助。 ··················································································································································
·················································································································································· 蝶泳打腿和自由泳有一定相通之处, 但是在蝶泳中,双腿、 双手的动作都是同时进行。 腰部是全身动作的枢纽, 打水动作从躯干发力,经过髋、膝、 踝关节的力量传递, 形成波浪式的动作, 打腿并不是用臀部来带动。 蝶泳打水时,两腿自然并拢, 动作同时进行。 打腿可以分为两个步骤, 向下和向上。 随着大腿下压, 小腿和脚在带动下, 加速向后下方打,直到膝关节伸直, 脚处于低点。
当向下打水动作快结束时, 两脚处于最低点。 两腿伸直向上踢。 当大腿上升到与躯干成一直线时, 腰腹和臀部开始下沉, 大腿开始下压, 两脚和小腿继续向上, 膝关节自然弯曲。
当脚伸至接近水面的地方, 臀部下沉至最低点, 向上踢腿基本结束。 自由泳划水+蝶泳腿
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蝶泳踢腿, 对整个动作完整配合所起的影响较大 。还有踝关节的柔韧性和 灵活性对打水效果也起着重要作用。
尤其是初学者, 应该先练习分解动作,再进行组合。 利用浮板练习打腿 图文来自网络,仅供学习与交流,版权为原作者所有,侵删。
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