Subtle, 应该逐步。最好有个人演示一下正确跑姿,实地指正一下动作,在正确的posture下再考虑逐步提高比较好,也会比较有效持久。
Subtle, 应该逐步。最好有个人演示一下正确跑姿,实地指正一下动作,在正确的posture下再考虑逐步提高比较好,也会比较有效持久。
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