A lumbar support device and a selective stabilization support device for use in treating mechanical back pain. The lumbar support device includes a torso belt for positioning around the user's mid-section. At least two and typically three straps are also provided connectable at first and second end regions to a surface of the torso belt. Straps are provided to encircle the user's torso to maintain the lumbar support device in position and to engage and maintain in position a pressure appliance arm having a pressure pad thereon. The pressure pad is may thus be configured and precisely positioned to relieve symptoms of back pain.