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Which Vertebrae Is L1?

Robert Thorne • • 7 min read
Which Vertebrae Is L1?

The L1 vertebra (1st lumbar vertebra) is the smallest and most superior of the lumbar vertebrae. As the first vertebra in the lumbar region

lumbar region
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 flexibility and movement to the trunk region. They also protect the delicate spinal cord and nerves within their vertebral canal.
› skeletal › lumbar-vertebrae-lateral
, the L1 vertebra bears the weight of the upper body and acts as a transition between the thoracic and lumbar vertebrae.

Where is L1 on the vertebrae?

The L1 vertebra is the topmost section of the lumbar spinal column. This section of the spine contains a portion of the spinal cord.

Where is L1 and L2?

The spinal cord ends between the first and second lumbar vertebrae (L1-L2). Below this level, the remaining nerves form the cauda equina, a bundle of nerves resembling a horse's tail.

Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.