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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
    William H. Blahd, Jr., MD, FACEP - Emergency Medicine
    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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