Jim Johnson, P.T. is a physical therapist who has spent over 25 years treating both inpatients and outpatients with a wide range of pain and mobility problems. He has written many 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 is a certified Clinical Instructor by the American Physical Therapy Association and enjoys teaching physical therapy students from all over the United States.