棒球投手訓練計畫 - 啞鈴
By Ula
at 2009-07-20T00:00
at 2009-07-20T00:00
Table of Contents
我是一位高中生身高170體重69請幫我坐一份計劃不需用到專業訓練器材的除了啞鈴,橡皮繩另外,我要怎麼訓練投球耐力...Showmore
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啞鈴
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By Rosalind
at 2009-07-20T03:25
at 2009-07-20T03:25
By Tom
at 2009-07-24T06:04
at 2009-07-24T06:04
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