Franklin D. Roosevelt (please see chapter 20), 32nd President of the United States of America, from 1933-1945. He was paralyzed, but he could run the country. The cause of back pain is unknown in literature. In this book, we give the right clue to diagnose the exact causes of all back pain precisely, and then treat every back pain correctly. Avoid wasting of time, causing disability and stress for the patient, and excess expenses for the society. We present many new techniques for treatment of acute and chronic back pain, spinal stenosis, fracture of spine, and of course, failed back surgery.