When both are done simultaneously, they help to check whether the symptoms are due to nerve problem or muscle disorder. EMG checks the correctness of the nerve signal. What are they used for?Įlectromyography (EMG) and nerve conduction, both are useful in the detection of muscle and nerve disorders. While the EMG nerve conduction study detects the response of muscle concerning the nerve’s stimulus. The problem related to the nerve can be detected by NCS. Nerve conduction study (NCS) and Electromyography (EMG) are both conducted together to differentiate between nerve and muscle disorder. What is the difference between NCS and EMG? Velocity is calculated by calibrating the distance between two electrodes and the time duration taken by the impulse to travel amongst electrodes. The process is repeated for every nerve being tested. ![]() The function of one electrode is to stimulate the nerve with minor electrical impulse and the other electrode is to record the electrical activity. ![]() A nerve conduction study involves the combination of two electrodes placed on the skin of individual above the nerves.
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