![]() ![]() This portion of the examination is to determine whether the muscle is contracting properly. The examiner may ask the patient to make a series of movements, targeting the muscle that’s being tested. Patients have described the feeling of the needle inserted into the muscle as similar to a slight cramp. The instrument is a small pin electrode, and it produces waveforms that represent electrical activity caused by the muscle when it is at rest or in active contraction.Īn electromyography isn’t usually painful, but many find the procedure to be a bit uncomfortable. In an EMG test, a tiny instrument is first inserted into a muscle. Let’s talk about each of these and how they work: Electromyography There are two main types of electrodiagnostic evaluations: electromyography (EMG) and a nerve conduction study. ![]() ![]() The test will help to enable a proper diagnosis, determining whether an underlying condition is present. Your doctor may order nerve testing to diagnose the cause of muscle twitching and spasms, weakness, paralysis, or numbness. The tests are specifically done to evaluate nerve function in the peripheral nervous system and the muscles. When a doctor uses electronic nerve tests to diagnose neurologic and neuromuscular impairments, these tests are broadly referred to as electrodiagnostic evaluation. ![]()
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