举重练双臂，肩膀，胸肌，背部。打网球只有一个手臂锻炼，加上爆发力太强，岁数大了容易受伤。

来源: AprilMei 于 2023-04-02 16:49:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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