Product pluses: The two shoulder straps have multiple grip positions to accommodate variance in user height and desired range of motion with no adjustments required. Innovative back pad shape stabilizes the pelvis to result in better isolation of the abdominal muscles. The dual foot supports accommodate users of every height and prevent the hip flexors from being activated. Recommended for: Specific training of the rectus abdominis Prevention and treatment of joint problems in the vertebral column Improvement of posture