Near-nerve needle sensory conduction study of the medial calcaneal nerve: New method and report of four cases of medial calcaneal neuropathy.

Full Abstract

There has been one previously published antidromic method for studying medial calcaneal nerve (MCN) conduction. However, the origin of the compound nerve action potentials (CNAPs) with this technique is uncertain because of the antidromic nature of stimulation. We report a new orthodromic method for MCN conduction study using the near-nerve needle technique. In 35 normal controls, maximum nerve conduction velocity (NCV) and negative-peak NCV of MCN were 42.4 +/- 3.9 m/s and 33.6 +/- 3.0 m/s, respectively. The amplitude of the CNAP was 4.1 +/- 2.2 micro V. We also report four cases of medial calcaneal neuropathy, three of which were confirmed by this technique. We conclude that the present technique is capable of recording the sensory nerve action potentials of MCN in isolation and confirming the diagnosis of medial calcaneal neuropathy electrophysiologically.Copyright 2002 Wiley Periodicals, Inc. Muscle Nerve 26: 654-658, 2002

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Author information

Author/s: Seo, Jeong-Hwan (JH); Oh, Shin J (SJ);

Affiliation: Department of Neurology, University of Alabama at Birmingham, Veterans Affairs Medical Center, UAB Station, Birmingham, Alabama 35294, USA.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Muscle & nerve (Muscle Nerve), published in United States. (Language: eng)

Reference: 2002-Nov; vol 26 (issue 5) : pp 654-8

Dates: Created 2002/10/28; Completed 2002/12/13; Revised 2006/11/15;

PMID: 12402287, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Electric Stimulation
Electrophysiology - methods
Female
Heel - innervation; physiopathology
Humans
Male

Male
Middle Aged
Needles
Neural Conduction - physiology
Reaction Time - physiology
Tibial Nerve - pathology; physiopathology
Tibial Neuropathy - pathology; physiopathology

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