如何在短時間內增加球速 - 跑步

By Steve
at 2009-05-02T00:00
at 2009-05-02T00:00
Table of Contents
我想要加快我投球的球速{棒球}除了跑步外,還有什麼方法有幫助呢?
Tags:
跑步
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By Mason
at 2009-05-06T02:36
at 2009-05-06T02:36

By George
at 2009-05-03T02:36
at 2009-05-03T02:36

By Joseph
at 2009-05-03T13:28
at 2009-05-03T13:28

By Sandy
at 2009-05-03T08:37
at 2009-05-03T08:37
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