For 15% to 30% of people with long-term lower back pain, one of the sacroiliac (SI) joints, which connect the pelvis with the spine, is the source. But it’s not always easy for people or their doctors ...

The Ilium is the largest of the 3 pelvic (hip) bones. It has2 parts - a large wing shaped upper part called the ala, and a smaller lower part called the body. The iliac crest is the top border of the ...

Explore sacroiliac joint pain, its symptoms, causes, and treatment options. Learn how to identify and manage SI joint pain for effective relief and mobility ...

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About 80% of adults will have low back pain at some point in their lives, according to the National Institutes of Health. Some episodes are caused by specific events, like a sprain, traumatic injury ...