Definition of "electromyograph" []

• 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Such devices may include an electromyograph (EMG), which monitors muscle tension, an electroencephalograph (EEG), which monitors brain waves, or a heart monitor."
• "The user controlling the "hand" wears a wristband-like electromyograph sensor, which causes the robotic appendage to react according to muscle contractions."
• "These signals are picked up by a sensor called an electromyograph worn like a watch on the forearm of the person making the movements."