Originally Posted by NE1for10is?
You might also want to take a look at your footwork and see if there's anything you are doing that might exacerbate the problem. In my case, I found that during part of my preparation for the serve I had a habit of putting weight on the side of the big toe.
It is my serving toe (left foot). Which side of your big toe did you weight up? The inside or outside? And how on Earth did you figure that out?