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Old 03-20-2013, 09:14 AM   #13
LeeD
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Join Date: Dec 2008
Posts: 31,550
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Serving from knees promotes loose relaxed wrist to gain a fast head speed.
BUT, more important, it teaches you to finish your serve swing early, at the top, so you don't followthru crushing your racket on the court.
Take that lesson standing up, you get a high elbow, high hand finish after you strike the ball, exactly what I preached to every single video server who posts his vids.
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