Definition of "electromyogram" []

• A graphic record of the electrical activity of a muscle as recorded by an electromyograph. (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.

• "After many more MRIs, blood tests, EMGs (the electromyogram is a test that measures the response of a muscle to a stimuli), nerve conduction tests and CT myelograms (an X-ray type test used to study the spine), my neurologist concluded that I had ALS."
• "And the EMG, the electromyogram, measures movements."
• "In an electromyogram (EMG), doctors insert electrodes into your muscles to test their electrical activity and see if you have nerve or muscle damage."