棒球姿勢以及球速問題 - 健身
By Megan
at 2011-07-19T00:00
at 2011-07-19T00:00
Table of Contents
我本身是用3/4的投法~因為投球次數變少所以從95→85(甚至不到==調整1個多月就是不行==所以請大家幫幫忙~姿勢不對球速不快控球也亂了~希望可以從85到比95還高的速度~
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健身
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