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Definition


Piriformis Syndrome Definition
Common names:
  • Piriformis Syndrome
  • Pyriformis Syndrome
A person with piriformis syndrome has irritation and inflammation of the sciatic nerve. The piriformis muscle is deep in the buttock and can irritate, or put pressure on, the sciatic nerve. This results when the piriformis muscle becomes injured or spasms.

The sciatic nerve starts in the lower back and runs down the back of the leg. Images

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Last Updated: Sep 11, 2008  References
Authors: Stephen J. Schueler, MDJohn H. Beckett, MDD. Scott Gettings, MD
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