Originally Posted by newpball
Image 11 shows the impact, your hip is not completely turned there, also the right leg jump takes away momentum, at impact try to keep your legs more or less together. The elbow should be fully up between image 8 and 9 and at that point the racket should start to swing from the 'scratching the back' position, in your serve it is half open.
Ah I see what your saying I think . . My hips should be turned more towards the net in image 11?