Dr. Krista Fazio / Rehab, Injury and Exercise Expert on Instagram: "🚨Save & Try! I use these movements to train true spinal stability.. not just “abs.” Most people think back pain comes from a weak core… but in reality, it’s often from a core that can’t stabilize or control motion through the spine. These exercises train your deep core and spinal stabilizers to work the way they’re meant to… to resist unwanted motion while allowing controlled movement. 1️⃣ Rotational Med Ball on Stability Ball: