I have had lower back pain for 5 years. Just constant aggravation in the lower back. Also have had numbness in my thumb and two forefingers in my left hand. My lower back pain disappeared after just the first two sessions of learning the movements. I bought the disc set and am currently on my 3rd week of practicing the movements. My hand numbness is 60-70% better and expect that it may very well disappear in 2-3 months. I could not be more sold on your exercises and program. By the way the MRIs indicated that I have a bulging disc in my neck and a herniated disc in my lower back.