![]() ![]() Such symptoms may include:ĮMG is a low-risk procedure, and complications are rare. An EMG can detect a herniated disk in the spine. Your doctor may order electromyography if you have signs or symptoms that may indicate a nerve or muscle disorder. It can help doctors detect spinal cord disorders that include polio or sclerosis. ![]() An EMG uses tiny devices called electrodes to translate these signals into graphs, sounds or numerical values that are then interpreted by a specialist.ĭuring a needle EMG, a needle electrode inserted directly into a muscle records the electrical activity in that muscle.Ī nerve conduction study, another part of an EMG, uses electrode stickers applied to the skin (surface electrodes) to measure the speed and strength of signals traveling between two or more points. The nerve conduction study stimulates specific nerves and records their ability to. Motor neurons transmit electrical signals that cause muscles to contract. A nerve conduction study is usually done along with electromyography. EMG results can reveal nerve dysfunction, muscle dysfunction or problems with nerve-to-muscle signal transmission. ![]() Neurologists and physiatrists trained in performing the procedure conduct the test. Electromyography, also known as EMG, is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). An EMG test is done on an outpatient basis in a clinic or a hospital. ![]()
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