Muscle tissue does not commonly produce electrical signals during rest.Electromyography (EMG) measures the electrical activity of muscle during rest, slight contraction, and forceful contraction.An audio amplifier is used so the activity can be learned.The electrical activity taken up by the electrodes is then displayed on an oscilloscope (a monitor that displays electrical activity in the form of waves).During the test, one or more little needles (also called electrodes) are inserted through the skin into the muscle.The test is used to assist detect neuromuscular abnormalities. Electromyography (EMG) measures muscle response or electrical activity in reaction to a nerve’s stimulation of the muscle.What do my electromyography (EMG) results mean?.What are the risks of electromyography?.What happens during electromyography (EMG)?.Why is electromyography (EMG) performed?.
