Sacroiliac joint dysfunction is a recognised contributor to low back and pelvic pain, arising from impaired mobility or aberrant loading at the junction between the sacrum and ilium. Clinical ...

The sacrum is a bone at the back of the pelvis between the hip bones. A sacral fracture can cause symptoms including lower back and buttock pain, swelling, and reduced bowel and bladder control.

Sleeping on the side of the affected joint may worsen sacroiliac joint pain (SJP). Lying on the back or using pillows to support the body, such as placing a pillow between the legs, can help to ...