怎样防止自由泳爬泳游进途中腿下沉
怎样防止自由泳爬泳游进途中腿下沉
需要改正6个行为： 1.抬头换气 2.手下压 3.换气时间过长 4.差劲的姿势和配合 5.往前看 6.只用小腿打腿
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on ’2016年7月3日星期日’,
is filed under 自由泳, 自由泳-入门, 自由泳-进阶, and is tagged with .
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