球速如何訓練才可以變快?? - 健身

By Una
at 2010-07-20T00:00
at 2010-07-20T00:00
Table of Contents
投球的球速要怎樣才可以變快啊,要訓練哪裡的肌肉??健身房裡的運動器材哪些對我有幫助,可以說明一下和附一下照片嗎??游泳會對我有所幫助嗎?平時也可以靠什麼訓練呢??
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By Hedy
at 2010-07-22T19:31
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at 2010-07-22T08:09
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at 2010-07-21T10:05
at 2010-07-21T10:05
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