Healthy Spine and Aesthetic Abs - Part One Too much sit ups -> could lead to injuries like lower back pain. learning how to breath properly before any core work is essential. The diaphragmatic breathing can activate your core while strengthening your spine. When you inhale: - air should go into the belly, so it pops out and expands evenly -your rib cage should be depressed down - your chest should not have any movement When you exhale: - your belly button should draw into your spine - you should feel stiffness around your abs 5-10 mins practice is required before training Keep practising this breathing technique and stay tuned for more training techniques for core stability in part two.