背上的肌肉是劃槳運動練出來的。獨木舟，皮劃艇，槳板這些運動很鍛煉背部和肩膀肌肉。發貼的目的之一就是號召大家多劃船

來源: 水行者於 2025-10-12 17:38:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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