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CHANGE PATTERNS (Rick Macci)
(2:00)
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SERVING FOR DEPTH DRILL (USPTA)
(00:36)
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ASK THE PROFESSOR - PREVENTING OR DELAYING VARIOUS TYPES OF PHYSICAL TRAUMA (Jack Groppel, Ph.D.)
(00:43)
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THE OVERHEAD (Jim Parker)
(1:00)
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CHANGING DIRECTION (USPTA)
(1:37)
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THE TECHNICAL COMPONENTS OF TENNIS - IMPORTANCE OF DEVELOPING WEAPONS (David T. Porter, Jack Groppel, Jim Parker)
(2:42)
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THE VOLLEY (Rick Macci)
(3:57)
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