Like inversion therapy, the Stamina InLine Back Stretch Bench is a non invasive traction that not only stretches and strengthens your back, but also the shoulders, hips, knees, and ankles weight bearing joints. Decompression encourages your back and joints to realign and reduces pressure on nerve endings. This simple, portable bench can be used at home or at the office. Studies show that this type of therapy has numerous positive effects on the body. Simple, portable, comfortable way to stretch and strengthen the spine and other joints Easy height adjustment Use at home or at the office Comfortable cushioned bench Contoured foam padded ankle and arm supports Easy assembly Assembled size 72 long x 25 wide x 11 high Maximum user weight 250 lbs. Warranty 1 year frame, 90 days parts