Sacroiliac joint pain and dysfunction Sacroiliac joint pain has received much attention recently in orthopaedic circles.  New clinical research reveals that 20 to 40% of low back pain sufferers have pain sourced from the sacroiliac joint. The healthy sacroilia c joint only allows approximately 4-5 degrees of motion on each side, but the area is rich in nerve supply, receiving innervation from the upper lumbar spine all the way through to the bottom of the sacral (tailbone) joints.  Patients who experience sacroiliac [...]