e·lec·tro·my·o·graph 
(ĭ-lĕk′trō-mīə-grăf′)
(ĭ-lĕk′trō-mīə-grăf′)n.
An instrument used in the diagnosis of neuromuscular disorders that produces an audio or visual record of the electrical activity of a skeletal muscle by means of an electrode inserted into the muscle or placed on the skin.
e·lec′tro·my′o·graphic adj.
e·lec′tro·my′o·graphi·cal·ly adv.
e·lec′tro·my·ogra·phy (-mī-ŏgrə-fē) n.