The tailbone (coccyx) is the small bone at the bottom of the spine. It is attached to the triangular-shaped sacral bone above it.

The tailbone is often injured when people fall and land on their buttocks. It usually heals on its own over time.

Current as of: November 14, 2014

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD