Electromyography (EMG)

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Electromyography (EMG) tests how well muscles and nerves work together. Learn about what to expect during an EMG test and how to prepare your child.

Key points

  • EMG is done to find out how well the nerves and muscles work together. The test can show if there is a problem with the muscles, the nerves or the place where the muscles and nerves meet.
  • Small needles are put into one to four muscles during the test. The needles may hurt a little.
  • The test takes about 30 minutes.
Last updated: November 6th 2009