Title

Anatomy, Back, Lumbar Spine

Document Type

Book

Publication Date

8-10-2020

Publication Title

StatPearls

Abstract

The lumbar spine comprises the lower end of the spinal column between the last thoracic vertebra (T12) and the first sacral vertebra (S1). The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of axial forces. The spinal cord runs through the center of the vertebral column and terminates in the conus medullaris at the level of the L1-L2 vertebrae. The cauda equina, Latin for horse’s tail, is a bundle of spinal nerve roots that begin at the termination of the spinal cord and descend through the remainder of the canal. 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.

ePublication

ePub ahead of print

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