Feb 17, 2022 · Your lumbar spine is a five vertebral bone section of your spine. This region is more commonly called your lower back.

Feb 17, 2026 · 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.

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

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.

Mar 11, 2026 · The lumbar spine is located in the lower half of the vertebral column, inferior to the thoracic vertebrae / rib cage and superior to the pelvis and sacrum. The lumbar vertebrae are five in …

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.

The complex anatomy of the lumbar region is a remarkable combination of these strong vertebrae (with their multiple bony elements) linked by joint capsules, and flexible ligaments/tendons, large muscles, …

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 …

May 16, 2022 · Lumbar spinal cord injury can result in lower body paralysis. Learn the functions affected by L1, L2, L3, L4, & L5 SCI and recovery outlook!

Rehabilitation physician and back pain expert Akhil Chhatre answers questions about lower back pain and sheds some light on its origin.