What to focus on - hip rotation or using arm to hit ball?
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11-19-2012, 03:39 PM
Talk Tennis Guru
Join Date: Dec 2008
Not suire about everyone else, but my arm is connected to my shoulders, which CAN move independent of my hips, by the flexing of the torso.
But yes, it's all needed for a smooth, effortless groundstroke and serve.
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