The One Handed Backhand: Power and Control

After the left hand releases (Click Here for more about the left hand role) what should the dominant right arm do to create power and control? The keys are understanding the movement of the butt cap, the movement of the racket face, and crucially, the internal rotation of the hitting arm from the shoulder.

John Craig is using Roger Federer as his model with a classic eastern grip that puts the hand on top of the racket. Coming up to the contact and through it correctly is what creates consistency and racket head speed. The release of the wrist? Something that happens long after contact and not a factor in power and spin....