electrical muscle stimulation. Device used to transmit a low-voltage current through the skin, generally to trigger points in a muscle near the junction of nerves and muscle tissue thereby causing the muscle to contract. Used in therapy for muscular pain.
eosinophilia myalgia syndrome. A disease caused by marked promotion of eosinophil activity, resulting in a symptom complex of severe pain, inflammation of the tendons, fluid build-up in the muscles, and skin rash. The disorder has been linked to a contaminant of some commercial preparations of the amino acid L-tryptophan.