Tennis stroke training device

作者: Raymond A. Williams

DOI:

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摘要: A racquet stroke training device adapted to “fix” a user's forehand comprises, in one embodiment, band be worn on arm above the elbow, glove hand, and tether having first end attachable second glove. The has (or is dimensioned have) given length such that, during practice stroke, elbow bent at substantially 90° angle wrist fixed an upwardly-extending, wrist-locked position.

参考文章(10)
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