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Old 10-04-2012, 07:29 AM   #12
Chas Tennis
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Join Date: Feb 2011
Location: Baltimore, MD
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Interesting subject and an area of current biomechanics research-

http://asmiforum.proboards.com/index...ay&thread=1801

BTW - I believe that aching the back is very risky and am not interested in that baseball pitching approach for tennis serving but only in - what is that motion doing?
ARCHING YOUR BACK FOR THE TENNIS SERVE IS VERY RISKY

Last edited by Chas Tennis : 10-05-2012 at 02:35 PM.
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