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Lumbosacral Region of the Spine (Lower Back)

Lumbosacral Region of the Spine (Lower Back)

Picture of the lumbosacral region of the spine (lower back)

The spine is composed of 33 interlocking bones called vertebrae. The lumbosacral region of the spine consists of 5 lumbar vertebrae and the sacrum (5 bones joined together).

By Healthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer Robert B. Keller, MD - Orthopedics
Last Revised December 14, 2011

Last Revised: December 14, 2011

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Robert B. Keller, MD - Orthopedics

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