Thanks. In all the discussions I have heard about his back problem, I never heard it’s cause spoken of. I had assumed it came from some kind of injury unrelated to his golf activity.
I have always wondered why at least one of his different coaches didn't make his smoother and easier, but I guess it's hard to get off the distance treadmill once you are on it. He might lose a little distance (tho probably not) and his drives would be more accurate, but it is hard to change old habits, especially when it's your bread and butter.