Buttock pain can come from arthritis, nerve compression, or overuse. Sciatica is pain caused by compression of the sciatic nerve in the lower back. Osteoarthritis can cause a dull, aching pain in the ...

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.

Bone density scan results explain the strength of your bones and assess your risk of breaking a bone. Z-scores are used as the measure for adults under 50 and children. Share on Pinterest izusek/Getty ...