One handed backhand: amplitude of the non-dominant arm
Correct use of the non dominant arm, during preparation, is definitely crucial in order to acquire an advantage in the following parts of the movement.
Preparation of the two-handed backhand: level of rotation of the racket
This aspect affects the quality of the technical movement during acceleration. It is important in searching for a good point of impact and, consequently, in the production of the linear movement, a necessary requirement for the correct transfer of body weight.
Forehand backwards and forehand forwards
It is very important to adopt different techniques according to your tactical condition, because every variable requires new adaptations in terms of trajectories of the ball and therefore balance in shots.