2-HANDED BACKHAND PROGRESSION 4 - THE SWIVEL TURN
2-HANDED BACKHAND PROGRESSION 4 - THE SWIVEL TURN. In 2-Handed Backhand Progression 4, learn to use a swivel office chair to train your body to feel ... the different levels of rotation possible for the stroke, while also learning how the upper and lower body functions together on this all important shot. This innovative training method has helped thousands of people improve their groundstrokes. Video features grand-slam winner, Martin Damm.
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