[問題] 請問怎麼自製啞鈴?
因為我時常搬家,離健身房又不近
所以一直沒有買現成的啞鈴
前陣子突發奇想,把 2L 的寶特瓶裝水
用袋子裝起來成兩袋,然後用一個桿子提起
但是問題點在袋子無法固定,提起的動作會搖晃
結果下場就是我肌肉拉傷一周手沒辦法伸直...
希望能集思廣益,讓我弄個像啞鈴的東西鍛煉肌肉
我希望的是可以一直增加重量但不麻煩的
因為我住的是套房,空間實在是有限
麻煩大家了 >"<
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