Back pain is one of the most common reasons people limit activity, miss workouts, or avoid movements they once did confidently. But here’s the thing: Back pain is rarely caused by one dramatic event. In most cases, the main cause of back pain is not a single injury. It’s a gradual mismatch between load and capacity. That means the stress placed on the spine exceeds what the muscles, joints, and connective tissues are prepared to handle. Let’s break that down clearly. Understanding the Spine The spine is strong and designed for: It is supported by muscles, ligaments, and intervertebral