加负重重量，事半功倍，主练核心区，腹肌臀肌练好了其它部位就不会差，镜中看着自己的身材也会很有成就感就容易坚持下去

来源: xianrenzhang. 于 2020-03-08 17:40:57 [旧帖] [给我悄悄话] 本文已被阅读：次

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