17. Leading with the shoulder, weight should transfer into the ball.
18. Hips are low, keeping the body in a balanced, athletic stance. The height of the stance may be determined by the height of the ball.
19. The "L" position remains throughout the contact point.
20. ​Shoulder swings loosely and freely through the contact point.
21. Head stays still and sideways through the contact point.
22. At contact, strings are slightly open, allowing the racket to hit the back of the ball, high to low.
23. Left hand continues moving backward, always staying behind the body.
​24. Immediately after hitting the ball, the racket continues moving downward, past the contact point.
25. Left shoulder should remain sideways, behind body, never coming opening up.
26. Left hand continues reaching backward, ensuring the back shoulder stays sideways.
27. Racket should hit its lowest point of the swing just before rising into the follow through.
​28. Weight should have fully moved forward through the contact point and onto the front foot.
29. Back heel should be lifted with toes touching the ground.
