The Back Extension device features a stepless seat height adjustment by utilizing a gas spring. The height of the pelvic cushion, the depth of the pelvic stabilizer and the footplate can also be adjusted. The user is able to adjust the starting position in 10 degree steps. The equipment features protective paneling and meets the MDD requirements. The Back Extension device incorporates a SmartPanel display and a stabilization belt. The range of motion limiter can be continuously adjusted. The equipment comes with a weight stack of 80 kg, being 16 x 5 kg. Additional weights can be added in fine gradations of 4 x 1.0 kg.