SIJ pain is typically felt in the upper buttock over the Sacroiliac Joint but can radiate pain similar to a pinched nerve in the lower lumbar spine.
1 Adapted in part from Frymoyer JW et al. Raven Press; The Adult Spine Principles and Practice 1991.Ch. 101, pp. 2115-16, “The Sacro Iliac Joint Syndrome”
2 Adapted in part from Wurff, Pvd, Buijs EJ, and Groen GJ. Intensity Mapping of Pain Referral Areas in Sacroiliac Joint Pain Patients. Journal of Manipulative and Physiological Therapeutics. 2006;29(3):190-195. ”