Over the years, I've given out URLs of scoliosis surgery animations, and I know it's been helpful to many. I just found another one that I feel is, by far, the best of all I've seen. They give a very clear, concise description of what typically occurs during an average scoliosis surgery.
https://www.youtube.com/watch?v=Up0cF__Lbm0
https://www.youtube.com/watch?v=Up0cF__Lbm0