Tennis - Forehand and Serve.......

Forehand
(X) Racquet face keeps open in whole process. It's unable to create fast racquet head speed and top spin.
Start wrist rotation from pulling the cap toward the incoming ball.


In order to create maximum racquet head speed,racquet face contacts ball while flipping at the half way of wrist rotation.
Finish follow through , let racquet face natually flips toward the ground.

Serve
(X) Racquet face keeps open at starting stage of swing. It causes wrist injury and slow racquet head speed.
Opisthenar faces front early starting swing racquet from racquet drop posture .
It creates early momentum to rotate racquet , reduces burden of wrist.
Finish follow through to generate faster head speed as well.