Sam Stosur Slice Serve – 1000fps

This clip was shot at 1000fps. Sam Stosur’s serve actually has quite a bit in common with her forehand. Watch how she coils her upper body and extends her left arm straight up in the air to hold in the coil – just like she does with her forehand. Then the legs push up and the shoulders rotate – just like in the forehand.

And finally, the butt cap of the racket leads the pull upward followed be a very similar torque applied from wrist, hand, and forearm, generating heavy slice on the ball.

In this serve, Stosur is hitting a slice serve, and one of the misconceptions about a slice serve is that you “carve around” the ball – like peeling around an orange. But here you can see Stosur’s hand and racket actually prontate outward so that the strings face the right side line in the follow through after contact.

The slice comes from the angle of the racket face on contact combined with the twisting motion outward.

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