會不會和肌肉密度有關，相對概念就是體脂。GYM後肌肉緊致，跑步時各部位也更容易受力，就容易感覺輕鬆和愉悅。

來源: 尤其開心USA 於 2024-03-25 22:30:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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