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Old 09-21-2012, 09:45 PM   #38
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Originally Posted by Netspirit View Post
In a twist serve, the ball obviously rises. You cannot clear the net with a completely flat or descending trajectory regardless of what serve you hit, if you are not as tall as Karlovic.

You must hit UP. The point of contact is below the balls "equator" and on the left side (for righties). This is why it is thrown behind the head and to the left - to be able to brush up on the left side of the ball.
Rod Cross disagrees with you. See please his article – Physics of the Tennis Kick Serve in

I made the picture from his video.

Figure 9. Slice serve - Rod Cross

Try please to find a similar video that could support your statements.
Anatoly Antipin - one of the most delicate tennis players in the world.

Last edited by toly; 09-23-2012 at 03:40 PM.
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