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Old 10-01-2013, 08:43 PM   #12
Me Against The World
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Join Date: Sep 2013
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In theory you should be using both, if a flat serve is coming your way and you have your arm fully extended 9/10 you're going to miss it, but if you have your arm bent your using your bodies weight so you can hit more steadier, this also applies to groundstrokes
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