Need to understand the key functions of the L4-L5 spinal motion segment? This video breaks down its critical roles in providing lumbar spine stability, enabling flexion, extension, lateral bending, and rotation, plus its importance in load-bearing and nerve protection. Perfect for students, health professionals, and anyone curious about spine biomechanics, back pain causes, and spinal anatomy. Don’t miss insights on spinal discs, facet joints, and common L4-L5 issues like herniated discs and sci

The lumbar spine, or lower back, consists of five vertebrae labeled L1 through L5. Learn all about lumbar spine anatomy on Spine-health. | Spine-health