John Isner: Serve Analysis
Here's what John says about his serve:
"The toss is very important in maintaining a consisitent service motion but there are some other things you should...
Comment
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Comment by Tim Prapong on December 23, 2010 at 3:15am
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I like this because it shows how much power is to be gained by the long teeter and forward toss. Tremendous weight transfer.
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