Your SI joint, or sacroiliac joint, connects your sacrum (otherwise known as the tailbone) and your illiac, the bone of the topside of your pelvis. Technically, there's two of these joints—one on ...

Sacroiliac joint pain could be the culprit ... For more in-depth guidance and additional exercises, check out the ...

Your sacroiliac (pronounced sa-krow-i-lee-ak) joints are some of the biggest joints in your body because they're where your spine connects to your pelvis. Pain in your sacroiliac joint is a common ...

The presence or absence of chronic sacroiliitis is a key clue in diagnosing inflammatory back pain and is often seen in axial spondyloarthritis and other rheumatic and nonrheumatic ...