Need a clear and simple breakdown of lumbar nerve anatomy? This video explains the structure, function, and clinical relevance of the lumbar spinal nerves using detailed diagrams and 3D visuals. Perfect for medical students, nursing professionals, physical therapy learners, or anyone studying the lumbar plexus, spinal cord, or sciatica nerve pathways. | Spine-health

Most people think a “spinal emergency” means excruciating pain or being unable to walk. But the most dangerous one I see in neurosurgery rarely starts that way. It’s the moment when the nerves at the base of the spine — the ones controlling leg strength, bladder function, and sensation — become acutely compressed. This is the emergency I’m talking about. And it often begins with symptoms people dismiss: • numbness in the groin or inner thighs • sudden difficulty controlling urination • weakness