Aunt Rennin
20.57 - push-ups and planks are two body weight exercises that work your arms.
我一直想练手臂肌肉，但手边没有哑铃。有人能推荐一些利用自身体重的锻炼方法吗？
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评论 3
- Doug Salomon
Push ups are a great exercise. Isometric exercises, where you essentially provide your own resistance are also great. For example, press your palms together, hard, for 10 seconds. Rest and repeat.