Our Electromyogram Main Article provides a comprehensive look at the who, what, when and how of Electromyogram
Definition of Electromyogram
Electromyogram: A test that records the electrical activity of muscles. Normal muscles produce a typical pattern of electrical current that is usually proportional to the level of muscle activity. Diseases of muscle and/or nerves can produce abnormal electromyogram patterns. Abbreviated EMG. Also known as a myogram.
Last Editorial Review: 3/19/2012
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