Lumbar disc herniation refers to the condition in which one of the discs in the lower back (lumbar spine) protrudes or ruptures. The lumbar spine consists of a stack of bones called vertebrae ...

Lumbar radiculopathy is inflammation of a nerve root in the lower back that causes symptoms in the back and down the leg. Radiculopathy is pain and other neurological symptoms caused by the pinching ...

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

Many people ignore early back and neck pain until it worsens into serious spine disorders, experts warn. Conditions like disc ...

Cauda equina syndrome (CES) occurs when the nerve roots in the lumbar spine become compressed, cutting off feeling and movement. CES is a rare condition, affecting an estimated 1 in 33,000–100,000 ...

What is lumbar spinal stenosis (LSS) and who does it affect? Lumbar spinal stenosis (LSS) is a degenerative, age-related narrowing of the lower spinal canal that causes pressure on the nerves, leading ...

Spinal stenosis is usually a chronic condition, but treatments can help manage symptoms and prevent disability. Learn more.

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

‌Your spine is made up of 33 vertebrae. Each one has openings that let nerves from your spinal cord pass through to other parts of the body. When these openings, called neural foramina, get narrow or ...