Abstract: The invention relates to a waist, hip, or shoulder exercise device designed to tone or develop the torso muscles through gentle exercise. The device comprises an arcuate body (10) of plastics material or metal shaped to suit a human frame, the body (10) incorporating rollers (11) freely mounted to rotate within the body of the device. At each end there are webbing straps (12 and 13) with hook and loop type or similar attachment devices 14 and 15. The exercise device may be used in conjunction with an adjustable frame and a baseboard. The frame may also include a foot rest or a head or shoulder rest. The wheels or rollers may be driven by electric motors by battery or a main power source.