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 …

Feb 17, 2022 · Your lumbar spine consists of the five vertebrae in your lower back. It provides support for the weight of your body, surrounds and protects your spinal cord, and allows for a …

Learn how the lumbar spinal discs function and how lower back conditions can cause back pain and/or radiating pain.

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 …

Oct 2, 2023 · Known as the lumbar vertebra e, 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 …

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. Many …

Jan 24, 2018 · Important muscles of the lumbar spine include: Multifidus: This long muscle travels nearly the entire length of the back. It stabilizes and rotates the lumbar spine. Longissimus: …

Aug 14, 2023 · The lumbar spine is comprised of bone, cartilage, ligaments, nerves, and muscle. Each of these components plays an integral role in the form and function of the lumbar spine.

Jul 20, 2006 · A good way to understand the anatomy of the lumbar spine is by looking at a spinal segment. Each spinal segment includes two vertebrae separated by an intervertebral disc, the …