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The sacroiliac joints form the junctions between the spine and each side of the pelvis. Like the vertebrae in the lower back (lumbosacral region), the sacroiliac joints bear the weight and stress of the torso, which makes them susceptible to injury.
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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