The Semi-Open Semi-Western Forehand

Here, the upper body has finished uncoiling, so that it is now aligned with the legs, which have driven upward with enough force to lift both heels. The rotational and upward energy from the large muscles in the core and legs has been transferred to the arm, which contributes considerable energy from its own larger muscles. This accumulated energy translates into high racquet head speed, which is further enhanced as the racquet pivots forward at the relaxed wrist.