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Old 01-24-2013, 06:40 AM   #13
chinese_tennis_guy
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Join Date: Jul 2009
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What I see is you're not actually opening up your shoulder for the throwing motion. no extension, no whip, just muscle-ing it resulting in poor racket speed, a slow serve, and eventually more forearm/elbow tendonitis (speaking as a physical therapist tennis player that used to teach tennis).

Good idea to post the vid and get comments. Good luck.
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