Do yourself a favor, they have never been able to prove a correlation between "slipped discs" or arthritic changes seen on x-rays and pain. It may seem logical but it is not the case. Please read Dr. John Sarno's books.
www.healingbackpain.com
I've know people who have had surgery and only got rid of the pain after seeing him and/or reading his books. I never had another back spasm after using his approach.
Contenta