It takes time to build strength in the abs, so take your time and complete the move slowly rather than using momentum to lift your body. Bring your shoulders 1 or 2 inches off the floor imagining you are bringing your ribs toward your pelvis. Bring your knees in at https://my-social-box.com/story3384756/n%C3%A3o-conhecido-fatos-sobre-abdominal-crush