Multiple Functions: The sit-up bar can help you exercise 7 kinds of parts, suitable for bird movements, high lift lower limbs, bridge hips, support lateral extensions, push-ups, sit-ups, lean over, and flat support. Exercise your arms, shoulders, back, legs, abdomen, waist, or other muscles of the body. Highly Adjustable: The sit-up helper can adjust to different positions for different foot sizes, helping to hold your feet in place during exercise. Easy Assembly: Small occupation. Easy to install and disassemble; convenient to use. Suitable for smooth surfaces like tiles, concrete-cured, marble, and timber / wooden floors; if the ground is not clean or smooth, it can be added to the water to make it more stable. Light and Convenient: A new choice for workouts. Thin your waist and get rid of your spare tire in the easiest way. Once you own it, you can do sit-ups without effort by yourself, and carry out the plan to thin your waist.