1) Electromyogram 2) Emg 1) Graph 2) Graphical record 
• (n.) See Muscle curve, under Muscle.
<investigation, physiology> A test which measures muscle response to nerve stimulation. ... Used to evaluate muscle weakness and to determine if the weakness is related to the muscles themselves or a problem with the nerves that supply the muscles. ... Abnormal results may be seen in myasthenia gravis, polymyositis, carpal tunnel syndrome, am...
(mi´o-gram) a record produced by myography.
My'o·gram noun [ Myo- + - gram .] (Physiol.) See Muscle curve , under Muscle . 
Type: Term Pronunciation: mī′ō-gram Definitions: 1. The tracing made by a myograph. Synonyms: muscle curve
(mi;uo-gram) A recording of electrical activity within a muscle.
[n] - a graphical recording of muscle activity
noun a graphical recording of muscle activity
the graphic record produced by a myograph.