body on the floor or a ball with your forearms. Reprint. Ángela Perea. Originally published: © Interactive software designed to improve personal fitness and/or professional sports performance. Keep your body in a straight line and pulling your belly button towards your spine. This workout includesexercises that will help strengthen you from obliques to erectors. Dead Bugs Alt lowering one leg at a time, maintain Pelvic Neutral. GOAL: Goodm. Whether you want CORE TRAINING WORKOUTEXERCISES TO BUIL