Decompression back belt provides both traction and physical decompression, that makes it extremely effective and easy to use. traction is a clinically proven technique approved by doctors, it can be used in both upper and lower back pain treatment, without having to resort to surgery or drugs. 1. lift your upper body and unload the weight off the lower back, allowing the muscles to relax 2. decompress the spine to restore the disc to normal. 3. reduce pain and stress on pinched nerves. 4. improve the nutritional flow of your spine. 5. helps strengthen your core and back muscles.