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Electromyography (EMG) is used during spine surgery to monitor the peripheral, lumbar, and cranial nerves. By monitoring the muscles which are stimulated by these nerves, our neural monitoring technologists can determine if a nerve root is being irritated or disturbed during the procedure. If a nerve root of the peripheral, lumbar, or cranial nerves is irritated in any way (bumping, stretching, etc.) during surgery, the nerve will depolarize, causing an action potential which in turn causes the corresponding muscle to twitch. The twitch is recorded by electrodes and immediate feedback is sent
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