Trigger Location
Deep buttock, lateral to the sacrum.
Referred Pain Pattern
Down the back of the thigh; can compress the sciatic nerve.
Dry-Needling Technique
1.5–2.5 cun; mindful of the sciatic nerve.
Stretch & Self-Care
Figure-4 on the back, pull knee across.
Piriformis syndrome — sciatic-like pain without disc.