Why do we need Pro365 ab wheel? ?The ab roller is one of the simplest and quickest home gym equipment that provides one of the best works out tools to tone and strengthen your abdominal, legs, shoulders, arms, and back. ?ab roller wheel will even tone those hard to reach lower abs muscles, all without the need for doing hundreds of sit-ups or crunches. ?The ab machine is so easy to use and delivers excellent results, which makes it ideal for both beginners and more experienced. Just 10 minutes a day, you can develop your chest back,arms, shoulders and abs in one movement, shape your body quickly and easily without effort. Upgrade Version: - Dual spring design - More durable & comfortable material - Widening & lengthening foot pedals sizes - Fixed sturdy foot pedal interior design - Perfect for professionals and the man who need intensive training *Exercise abdominal muscles The body sits on the yoga mat, the legs are flat, the feet are placed in the fixed foot pedals, and the handles are held back by the hands with the strength of the waist, three groups at a time, 20 in each group. *Exercise arm muscles The body sits on the yoga mat, the legs are flat, the feet are placed in the fixed foot pedals, and the handles are held back by both hands with the strength of the arm, three groups at a time, 20 in each group. *Exercise your arms and chest muscles The body sits on a yoga mat, legs are bent, feet are placed in a fixed foot pedal, and the handle is held by both hands with the strength of the arm, three sets at a time, 20 in each group.