The Perfect Fitness Perfect Situp has a contoured base that positions your body for maximum muscle activation and effective core muscle conditioning. It has leg and back blades to help you work on all 4 sets of abdominal muscles. The design lets you merge the upper abdominal crunch with the lower abdominal leg lift for the most effective workout. This Perfect Fitness situp machine has motion sensors that click to indicate when full range of motion is attained. It supports your neck and head to eliminate neck strain, and places your spine in the correct position for a stress-free workout. This situp exercise equipment has a padded seat for comfort and support. It comes with a hanger for easy storage.