Strengthen your core by rocking back and forth for easier crunches, reverse crunches, oblique exercises and more. The innovative seat design gives you an option to twist and turn your lower body to maximize your work-out. Three levels of Resistance Springs offer you a perfect amount of resistance for any fitness level. Cushions support and massage while you exercise - no more neck and back pain. The Ab Rocket Twister system comes with a variety of ab exercise programs, along with the meal plan that will help you shed pounds and inches.