One of the most important parts of the Serve is of course the toss. What appears to be a routine or automatic move is in fact not that easy at all. I will discuss these points:
1. how you hold the ball in your tossing hand.
2. the length of travel of the arm.
3. the speed of the arm.
4. the turn of the front shoulder during the ascent of the tossing arm.
5. the release of the ball out of the hand.
First, when holding the ball in your hand, the ball should not be held with your fingers. You want to cradle the ball at the base of your fingers and the very top part of your palm. The ball should lay in your hand, try not to grab ball.
Secondly, know if your arm descends first or if it ascends from the start point. IF your arm descends, make sure your tossing hand (knuckle) touches the inside of your leg, before ascending. After releasing the ball, continue moving your arm straight up to an angle of 180 degrees to your front leg.
Thirdly, the speed of the arm is constant. It does not accelerate to release the ball. The motion speed is relatively slow and controlled because momentum is built up due to the length of arm travel.
Fourth, because of the turn of the front shoulder when the arm is ascending, the arm ascends at a slight angle to the front leg. This angle is approximately 83+/-2 degrees. This is because you want to toss the ball in front of your body or at approximately 12 o'clock to your front foot.
And lastly, when you release the toss out of your hand do not flick or move the WRIST. This is very important. The ball should have very minimal spin or none at all after tossed. afdd
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