Tennis Ball Machine at AVAC
Reviewing the GoPro Hero7 video of my tennis strokes, I observed the following errors: . . . . . . Forehand. Use a wider stance (should be sitting down). Not twisting enough before ball contact. The left (non-playing) hand drops down during the stroke. Stand on your toes (not flat-footed). Move more. Two-handed backhand. Preload (twist) more. Start with the racket high up, before initiating…
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