长距离游的时候kick twice per stroke cycle, 短距离速度游kick 6 times per stroke cycle,这个有助于根据游泳距离和速度来调整换气频率。。游熟了这些都很容易。。
长距离游的时候kick twice per stroke cycle, 短距离速度游kick 6 times per stroke cycle,这个有助于根据游泳距离和速度来调整换气频率。。游熟了这些都很容易。。
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