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Old 03-04-2013, 02:46 AM   #11
Chas Tennis
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Join Date: Feb 2011
Location: Baltimore, MD
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Quote:
Originally Posted by boramiNYC View Post
the amount of rotation at wrist is greater than that at the elbow, which indicates presence of pronation.
From the arm straight to impact that's not clear to me. I don't know.

Last edited by Chas Tennis : 03-04-2013 at 02:48 AM.
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