Lesson 1: Loosen your Hitting Arm
Learn how to prepare your hitting arm for the throwing movement: It is your first step to develop a good serve.https://vimeo.com/511475487
Lesson 2: Throwing the Ball
In Lesson 2 you learn how to throw a tennisball against a wall and over the net on the tenniscourt. As serving is throwing, you really should invest some time to get the throwing movement right.