2022年2月17日 · 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 …

2025年1月25日 · The L1 vertebra (1st lumbar vertebra) is the smallest and most superior of the lumbar vertebrae. As the first vertebra in the lumbar region, the L1 vertebra bears the weight …

The L4 and L5 are the two lowest vertebrae of the lumbar spine. Together with the intervertebral disc, joints, nerves, and soft tissues, the L4-L5 spinal motion segment provides a variety of …

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 …

2022年5月24日 · The lumbar vertebrae provide a protective casing for all the spinal nerve roots (cauda equina) at the end of the spinal cord. These nerves then run down into the legs and …

The lumbar vertebrae are located between the thoracic vertebrae and pelvis. They form the lower part of the back in humans, and the tail end of the back in quadrupeds. In humans, there are …

2023年10月2日 · 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 …

2025年1月25日 · The lumbar vertebrae consist of five individual cylindrical bones that form the spine in the lower back. These vertebrae carry all of the upper body's weight while providing …

2023年11月16日 · The lumbar vertebrae are five in number and desginated as vertebrae L1-L5. They are primarily responsible for bearing the weight of the upper body (and permitting …

Explore the anatomy of the lumbar vertebrae including their structure, function, facet joints, and intervertebral foramina. Learn how it relates to lower back pain and radiating leg pain.