Trigger Location
Below the spine of the scapula, infraspinous fossa.
Referred Pain Pattern
Down the outer arm and forearm, sometimes to the hand; shoulder pain sleeping on the side.
Acupuncture Convergence
Release via: SI 11
Dry-Needling Technique
0.5–1 cun into the fossa.
Stretch & Self-Care
Cross-arm shoulder stretch; reach across the chest.
A frequent hidden cause of arm referral pain.