MedlinePlus Medical Encyclopedia: Tailbone (coccyx)

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Tailbone (coccyx)

The tailbone (coccyx) is the small bone at the lower tip of the spine. The most common cause of injury to the tailbone is a backward fall onto a hard surface, such as a slippery floor or ice.

Update Date: 9/21/2006

Updated by: Jeffrey Kauffman, MD, Sacramento Knee and Sports Medicine, Sacramento, CA. Review provided by VeriMed Healthcare Network.

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