How is the patient positioned for anal sphincter electromyography (EMG)?

Updated: Aug 06, 2019
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: David C Spencer, MD  more...
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Patients are asked to put on a surgical gown and lie on the examining table.


Patients are typically asked to lie in the lateral decubitus position. The patient may assume the knee-chest or modified lithotomy position, which allows the best examination in infants.

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