While an MRI or X-ray of the spine can provide clues about its structure, EMG and NCS tests provide data about how the muscles and nerves function.
The presence or absence of injury can be helpful in determining further treatment. The tests can help identify nerve injury or muscle disease such as carpal tunnel syndrome, a pinched spinal nerve, peripheral neuropathy, myositis, or ALS.
Electromyography (EMG) & nerve conduction studies (NCS) OverviewĮMG and NCS are tests that measure the electrical activity of the muscles and nerves of the body, usually to an arm or a leg.
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