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Old 08-01-2013, 10:06 AM   #2
sureshs
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Join Date: Oct 2005
Posts: 30,556
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I will respond since some people call me SurAsh.

So I assume this is about the contribution of racket face angle versus swing path.

High speed video shows that pros like Federer have their racket face perpendicular to the ground or slightly closed at contact, and they seem to maintain this from before to after contact. This supports the idea of the swing path being the main contributor to spin, and racket face angle determining the launch angle and hence depth.

However, even a slightly closed face can have big consequences at high swing speeds, and I have seen other pros who seem to rely on some wrist movement also for adding spin, pointing to the importance of racket face angle. I also think a more closed face can create more top spin and bring the ball down faster, and I think this is because of an increase in dwell time.

So yeah curious to know how this is resolved.
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