Electromyography and Nerve Conduction Studies Technique

Updated: Oct 09, 2015
  • Author: Stephen Kishner, MD, MHA; Chief Editor: Jonathan P Miller, MD  more...
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Technique

Nerve Conduction Study

The typical sensory nerve setup is illustrated in the image below.

Median sensory nerve conduction set up Median sensory nerve conduction set up

The image below depicts the typical sensory nerve response.

Median sensory nerve response Median sensory nerve response

For motor nerves, more than one site is stimulated, as shown in the images below, which depict distal and proximal motor nerve stimulation.

Distal median motor nerve conduction set up Distal median motor nerve conduction set up
Proximal median motor nerve conduction set up Proximal median motor nerve conduction set up

The corresponding motor nerve responses are seen below.

Median motor nerve responses. Median motor nerve responses.