The Physics of Power: How Angular Momentum Shapes the Tennis Forehand

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so you mean in the transition from backswing to forward swing?

Not in the transition. There is a point just before the forward move of the hand to the ball that the wrist goes to neutral. That is the case on the ATP forehand whether the wrist is extended in the unit turn or not. If the wrist stays extended during the entire motion, from the unit turn on, it is basically the WTA type forehand.

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It’s not about having the ‘biggest’ it's about ‘efficiency’. It’s about a player adopting a functional backswing versus a positional backswing. The two best forehands ever thus far are Rafa’s and Roger’s – both positional. A functional backswing is going to involve more work to produce the same thing.

Wholeheartedly agree, Nadal and Fed the number 1 and 2 forehands ever to me. They are so similar, as BG pointed out years ago(before anyone else). Nadal just does everything Fed does to an extreme to produce the ball he did.