emg

/ˌiː ɛm ˈdʒiː/
noun
  1. Electromyography; a medical test that records the electrical activity of muscles.
    • The doctor ordered an EMG to check for nerve damage in her arm.
    • An EMG can help diagnose conditions like carpal tunnel syndrome.
    • During the EMG, small needles are placed into the muscles to measure signals.