Socalman, I really don't know but I lean towards the surgery. I was never able to do a seated leg lift... always about 20 degree lag, and was told over and over I would get there but never did. I did over two hours of exercise per day on the quad, walked about an hour and a quarter, and used a muscle stimulation machine for at least an hour a day so I don't think I left anything that could be done out. ( On the plus side my quad made it through the most recent surgery a lot stronger than the first time which should help when PT starts today). I doubt my right quad was ever stronger than when I went in for the second surgery. I have been using the EMS machine on the quad set at between 45 and 60 for two hours a day since week three when the OS allowed it so I should be ahead of the game for PT.
Rehab was tough the first time but it was the middle of winter, having this operation in the middle of golf season is awful. I can't wait to get out and drive... both the car and a golf ball