The lowest segment in the lumbar spine, the L5-S1 carries the most weight and has the most movement, making the area prone to injury. | Spine-health

Need to understand why the last lumbar disc is wedge shaped? This video breaks down the anatomy of the L5-S1 disc, explains how its shape supports spinal function, and why it's a common source of low back pain and disc degeneration. Perfect for anyone curious about spinal structure, biomechanics, or studying lumbar spine anatomy. | Spine-health