Caroline Wozniacki Photo
Caroline Wozniacki Photo #2: Elbow Up, Racquet Down on Serve
Clive Brunskill / Getty Images
Caroline demonstrates the elbow up, racquet down position that precedes her serve's upward strike at the ball. Caroline's legs have already completed their upward thrust, and her shoulders have begun to turn. The energy in the kinetic chain has now moved from her legs and upper body into her right shoulder and upper arm.
Caroline Wozniacki Photo #1: Knee Bend and Shoulder Turn on Serve
Hamish Blair / Getty Images
The kinetic chain that produces a powerful serve starts with a strong upward thrust from the legs, which depends upon a good knee bend, as Caroline Wozniacki demonstrates in this photo. By reaching after the tossed ball with her left arm, Caroline helps to ensure that she lets go of the ball fairly high and thus closer to her point of contact, which makes her toss more reliable. Caroline's shoulders are turned so that her back partly faces the net. As her upper body uncoils to strike the ball, it will contribute to her power.
Caroline sets up for the semi-open, Semi-Western forehand that's a favorite of many pros. The semi-open stance will help her deliver a combination of rotational and linear energy, and her Semi-Western grip is ideal for an even blend of topspin of power.
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