增加球數+投球問題 - 健身
By Carolina Franco
at 2010-07-20T00:00
at 2010-07-20T00:00
Table of Contents
我想問球速要怎麼練才會增加(本人求球速40-70kmˊˋ)我可以投出一個很漂亮的曲球,但是我很難投出一個很直得直球(我的直球都會往下掉)投直球的時候常常力道不夠,會在接近本壘板是掉下去,但是曲球就可以投到捕手那裡我直球投的比曲球差問題是出在哪????如何增加球速????...Showmore
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健身
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By Liam
at 2010-07-24T13:12
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