Why Unit Turn is very important for forehand and backhand

Unit turn is the movement of the shoulders the body and the racket together getting all in a good swinging condition.I see many coaches teach begginers that they have to point the ball with their left arm (non dominant arm),the problem with this method is that players dont learn to use their body on the backswing phase

in this video i will show you to simple thinks to do in order to learn unit turn and use it in every stroke,forehand or backhand

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