Spinal decompression is a high-tech form of traction used to treat disc bulging and degeneration and their associated pain and disability. Spinal decompression differs from regular traction in that it uses computer-controlled motors to trick the spinal muscles into remaining relaxed and uncontracted during the treatment session. This results in much greater reduction in disc pressure than regular traction, which usually must work against the resistance of contracted muscles. Most people get e