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Old 03-20-2013, 05:37 PM   #19
Bionic Poster
Join Date: Dec 2008
Posts: 35,092

Well, I can't argue, because I don't know, and still can't see where muscles would help if the ball is being hit as the muscle is being started.
Anyways, OP is swinging much harder than ever before. Stands to reason his serve is better.
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