Jim Johnson, P.T., is a physical therapist who has spent over 28 years treating both inpatients and outpatients with a wide range of pain and mobility problems. He has written over a dozen books based completely on published research and controlled trials. His books have been translated into other languages, and thousands of copies have been sold worldwide. Besides working full-time as a clinician in a large teaching hospital and writing books, Jim Johnson is a certified Clinical Instructor by the American Physical Therapy Association and enjoys teaching physical therapy students from all over the United States.