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Infraspinatus Respiratory Reflex (IRR)

By John L. Wilson, Jr., M.D.   After noting that virtually 100% of his patients with asthma had exquisite tenderness when he palpated (applied pressure to) their infraspinatus muscle [a muscle which attaches to the shoulder blade (scapulae) and is located on the upper back near the shoulder], the curiosity of a physician from Louisiana, […]