The amount of backswing | 1 |
The speed of the backswing | 1 |
The length and plane of the arm | 1 |
The power and impetus from the shoulder | 2 |
The speed of the forearm fold | 2 |
The angle and use of the wrist | 2 |
The contact point in terms of time and place | 3 |
The angle of the racket at contact | 3 |
The optimum area of contact on the racket | 3 |
The follow through of the arm | 4 |
Flexion of both legs but especially left knee (for a right-hander) | 1 |
Strong extension of the right knee | 1 |
Rotate right side of body backwards (for right-hander) in preparation | 1 |
Start rotation with left elbow (for right-hander) | 2 |
Strong rotation of the body, both hips and shoulders (Use hip area more, centre of gravity) | 2 |
Stomach muscles, tensed at the start of the movement, relax 5 - 10 contimetres before ball contact | 2 |
1.Backswing or recovery | |
2.Force producing movements | |
3.Critical impact instant | |
4.Follow through |