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Old 06-23-2013, 10:36 PM   #96
charliefedererer's Avatar
Join Date: Feb 2009
Posts: 5,639

Looking at your most recent rear view, as well as a slow motion rear view from earlier, it seems that at ball strike your racquet is in a straight line with your hand and wrist.

While this is fine on a slice serve, on both a flat and top spin serve, having an angle at the wrist allows for more efficient pronation.

In pic 7 above you can see that the racquet and arm form about a 30 degree angle.

You can see that same racquet/ angle in pic 7 in the following sequence:

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