![]() The second is the placement of one or more small needles, or electrodes, in the muscle, which determines if electrical signals are normal.ĮMG testing is an essential diagnostic tool that gives insight to disease or injury. The first step is the nerve conduction study, which allows doctors to evaluate a muscle’s ability to respond to nerve stimulation. Both can help determine whether there is a muscle problem or problems in the nerves that control the muscle. There are two components to an EMG test: the nerve conduction study and the needle EMG. An EMG test measures the electrical activity in muscles and nerves and determines where there may be a problem. An EMG, or Electromyogram, is a study conducted by a physician to find the cause of these sensations. Symptoms of numbness, tingling, pain and discomfort can be alarming, especially when you don’t know what is causing the issue.
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