走路后跟先着地是正确方法吗？那跑步是前脚掌先着地吗？那种方法保护膝盖？谁给科普下

来源: 月光溶溶于 2017-06-21 13:29:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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