Friday 9 February 2018

A study of university tennis players found they had up to a seven per cent increase in hitting speed the louder they grunted. Who commissioned that study? Maria Sharapova?

3 comments:

  1. Simona Halep, Venus Williams and Rafael Nadal all joined in with Maria.

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  2. and aryna sabalenko is an up-and-comer: https://tinyurl.com/y6tvsuvs

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