Your lumbar spine is a five vertebral bone section of your spine. This region is more commonly called your lower back.

Learn about the anatomy of the lumbar spine including the potential problems that can occur in this area of the back.

The lumbar portion of the spine bears the most body weight and also provides the most flexibility, a combination that makes it susceptible to injury and wear and tear over time.

Mar 24, 2024 · What Is Low Back Pain? The low back, also called the lumbar region, is the area of the back that starts below the ribcage. Almost everyone has low back pain at some point in life.

Jan 13, 2026 · The lumbar spine includes the five vertebrae in your lower back numbered L1 to L5. 1 These bones help provide mobility and stability to your back and spinal column and are an …

Aug 11, 2025 · Wondering how spinal stenosis progresses? This guide explains the signs, symptoms, and treatments at every stage, from early discomfort to severe nerve damage.

Learn about the lumbar spine's function, anatomy, and common disorders. Explore how this lower back region supports movement, bears body weight, and its role in protecting spinal nerves.

Oct 2, 2023 · “The lumbar spine has the biggest vertebra because it supports the rest of the spine and everything above it.”

The spine extends from the skull to the coccyx and includes the cervical, thoracic, lumbar, and sacral regions. The lumbar spine consists of 5 moveable vertebrae (numbered L1-L5). The lumbar …

May 24, 2022 · The lumbar spine is the third and lowermost part of the spinal column, consisting of 5 lumbar vertebrae, L1-L5. They are found in the lower back, supporting the body’s weight and …