I have had lower back problems for years. I have been to other chiropractors and it seems that they just try to pull my legs off and do not help my back. Dr. Marc determined that my problem was that L5 was prone to popping out of place. At times I was in excruciating pain. He has consistently been able to fix it and now I rarely have to go in to see him. I really should go in more often for a "tune-up". He also gave me very good advice to take my wallet out of my back pocket. Sitting on it was part of the problem with L5. I moved my wallet and it has made a big difference.