The piriformis syndrome is buttock pain due to tightening or irritation of the piriformis muscle where it is crossed by the sciatic nerve.


Sciatic irritation

A tight piriformis muscle may rub on and irritate the sciatic nerve. Athletes are used to doing piriformis stretches to avoid this complication.


Piriformis stretch

A challenging stretch.



Long-term assessment of clinical outcomes of ultrasound-guided steroid injections in patients with piriformis syndrome. Jeong HS, Lee GY, Lee EG, Joe EG, Lee JW and Kang HS. Ultrasonography. 2015 Jul; 34(3): 206–210.

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