The Body Solid Inversion Boots counteract the downward pull of gravity. By hanging in the inverted position, it will bring instant relief to many forms of back pain and spasms associated with consistent downward gravitational pull on the spine, discs and muscles. By using these inversion boots, just a few minutes a day will spread apart painful compressed discs. The users back, neck and shoulder muscles are also stretched, further increasing flexibility and reducing pain. These boots are recommended by doctors and used in hospital back clinics nationwide. The Inversion Boots feature thick, comfortable, contoured support pads and have a heavy-duty single-action locking mechanism with built-in safety lever. Extra pads allow easy adjustment for all size users.