Your doctor will then use this information to figure out what may be causing your problem. Your doctor will only test the muscles that are necessary to decide what is wrong.ĭuring your EMG test, your doctor will be able to hear and see how your muscles and nerves are working by looking at the electrical signals your muscles make. You may have a small amount of pain or cramping during this part of the examination. Needles are used once for each patient and are then thrown away after the test. For this test, your doctor will insert a small, thin needle (about the size of an acupuncture needle) into several of your muscles to see if there are any problems.
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