Feb 17, 2022 · Your lumbar spine is the lower back region of your spinal column or backbone. It consists of five bones (L1-L5). Other structures in or around your lumbar spine are your intervertebral disks, spinal cord and nerves, muscles, tendons and ligaments. Your lumbar spine supports the weight of your body and allows a wide range of body movements.

In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum.

The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders.

Mar 25, 2024 · 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. It’s one of the top causes of missed...

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. Discover causes, symptoms, and treatments for lumbar spine disorders.

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 providing flexibility and movement.

The lumbar vertebrae have the largest bodies of the entire spine and an increase in size as the spine descends, a reflection of the responsibility of the lumbar spine of supporting the entire upper body.

Jan 24, 2018 · The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support… READ MORE

Oct 2, 2023 · Known as the lumbar vertebrae, or “lumbar spine” (from L1 to L5 on your spinal column), they are located below the 12 chest (thoracic) vertebrae and above the five fused bones composing your ...

Mar 19, 2025 · The spine consists of 33 vertebrae — 7 cervical (neck), 12 thoracic (mid back), 5 lumbar (low back), 5 sacral (pelvis) and 4 coccygeal (tailbone). The vertebrae are strong bony structures connected by a complex of soft tissue structures, including intervertebral discs, facet joints, joint capsules, ligaments and paraspinal muscles.