Try hanging upside down for just a few moments, and you will understand why millions of people around the world use this ancient therapy to relieve back pain, reduce stress and improve their quality of life Many doctors, physical therapists, and sports trainers recognize inversion as an effective way to prevent compression fatigue joint injuries. In fact, even the U.S. Army Physical Fitness School intends to include inversion into their worldwide physical training doctrine. Click here to learn more about the health benefits of Inversion.