Workout Targets the abdominal area Twist your way to slimmer abs, hips, and thighs? Stimulates blood circulation; Massages the feet Precision ball-bearing ride for smooth, fluid motion?High-impact, rotating platform provides a vigorous form of aerobic exercise. Effectively burns calories and combines the benefits of aerobic exercise with reflexology. The magnetic wave disc will massage and stimulate meridian points on the bottom of the feet and help promote good health. The twisting motion effectively burns calories and combines the benefits of aerobic exercise with the benefits of reflexology. Compact and easy to store measures 11 3/8" diameter. Releases Tension, massages your feet, suitable for all age groups Improves your Balance and build body shape Exercise examples Oblique twists Stand on the twist board with your feet equidistant