当自然加速时，身体不自主前倾；后腿用力蹬，步子才能大；随着步幅增大，臂摆也加大；结果：重心不稳，消耗增大，安全性低

来源: fuz 于 2022-08-11 09:31:51 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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