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).

Credits

ByHealthwise Staff
Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical ReviewerRobert B. Keller, MD - Orthopedics
Last RevisedDecember 14, 2011
By: Healthwise StaffLast Revised: December 14, 2011
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Robert B. Keller, MD - Orthopedics

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