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

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.

Several structures in the lumbar spine can cause lower back pain, including the nerve roots that exit the spine, facet joints, intervertebral discs, vertebral bones, and the spinal muscles.

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

The lumbar vertebral body is kidney-shaped when viewed superiorly, so it is wider from side to side than from front to back, and a little thicker in front than in back with a thin cortical shell which surrounds …

Nov 16, 2023 · 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 …

These vertebrae are larger and stronger than the vertebrae in other sections of the spine, designed to bear most of the body's weight and provide structural support. The lumbar spine also houses and …

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 …