Cervical nerve testing5/1/2023 ![]() The test evaluates the electrical activity of your muscles when they contract and when they're at rest. During an EMG, your doctor inserts a needle electrode through your skin into various muscles. Test results tell your doctor whether you have a damaged nerve. The study measures the electrical impulses in your nerve signals when a small current passes through the nerve. ![]() This test measures electrical nerve impulses and functioning in your muscles and nerves through electrodes placed on your skin. ![]() These images show how the bones are positioned and can indicate whether or not there is any narrowing or damage that could cause a pinched nerve. The CSF may be sent to a lab and examined for signs of inflammation or infection. This test collects a sample of cerebrospinal fluid (CSF) from the area surrounding your spinal cord. You may need tests to measure your fasting blood glucose or thyroid levels. If your doctor suspects a pinched nerve, you may undergo some tests. Your doctor will ask about your symptoms and conduct a physical examination.
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