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Ulnar Sensory Nerve Conduction Study (antidromic)

Last updated on Wednesday, October 7 2009 by jdmiles

Ulnar Sensory Nerve Conduction Study (antidromic)

This photograph illustrates the technique for performing an ulnar sensory nerve conduction study. The recording electrode (G1, black) is placed on the proximal phalanx of the little finger. The reference electrode (G2, red) is placed on the middle phalanx of the little finger. A distance of 11 cm is measured from G1 to the distal wrist crease over the ulnar nerve. The nerve is stimulated at the wrist, adjacent the flexor carpi ulnaris tendon.

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