Actress Olivia Newton-John has announced she is suffering from breast cancer for a second time which has spread to her sacrum bone. But what is the sacrum bone and how can back pain be a sign of ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Medtronic plc announced it received FDA 510(k) clearance ...

When the sacroiliac joints become inflamed or irritated, it can cause lower back pain and stiffness. This is known as sacroiliitis. In some cases, the pain may also radiate into the hips, buttocks, or ...

A sacral dimple is a small, usually shallow indentation in the small of the back, just above or within the crease of the buttocks. Sacral dimples are harmless and do not need any treatment. About 3 to ...