AbMat The Original Abdominal Trainer Works Entire Abdominal Muscle Group for Complete AB Workouts, Black The AbMat allows the body full range of motion to work the entire abdominal muscle Designed contoured to your lower back to provide support and to help prevent injury during rigorous abdominal exercises Use the AbMat for a variety of exercises that isolate upper and/or lower abs as well as the obliques and lower back muscles Stable and safe - no more balancing All authentic AbMat products come with a certificate of authenticity and a manufacturer's seal of approval