Originally Posted by dominikk1985
first you lag, then you swing the rackethead
. you feel the centrifugal pull of the rackethead around the hand. that is real whip in your stroke.
The serve is the ultimate swing of the racket unlike any other tennis stroke.
This is one motion where I can feel the centrifugal force of the rackethead moving away from my body and the centripedal force of my core muscle puling my body into the court.
The beauty of two seemingly opposing directional vector forces working together to give the max swing speed.