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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).

Current as ofSeptember 20, 2018

Author: Healthwise Staff

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

Adam Husney, MD - Family Medicine

Kathleen Romito, MD - Family Medicine