Sensory Nerve Conduction Study in the Medial Antebrachial Cutaneous Nerve

Itaru Kimura, D. R. Ayyar

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Kimura, I. and Ayyar, D.R. Sensory Nerve Conduction Study in the Medial Antebrachial Cutaneous Nerve. Tohoku J. exp. Med, 1984, 142 (4), 461-466 Sensory nerve conduction in the medial antebrachial cutaneous nerve was studied in 40 normal subjects utilizing both antidromic and orthodromic methods. Using the antidromic method the distal sensory latency to the take-off point of the sensory action potential (SNAP) was 1.54±0.17 msec, latency to the peak of the SNAP was 2.11 ±0.16 mse, the amplitude of the SNAP was 18.8 ± 7.1 μv and the nerve conduction velocity was 65.9 m/sec. Using the orthodromic method the values were 1.55±0.17 msec, 2.10±0.15 msec, 15.7±6.3±v and 65.5±8.5 m/sec, respectively. Amplitude of the medial antebrachial cutaneous SNAP was usually smaller than that of the lateral antebrachial cutaneous nerve (p<0.01). This technique should be useful in the electrodiagnostic differentiation between eighth cervical or first thoracic root involvement and postganglionic lesions including the lesions of the inferior trunk or the medial cord of the brachial plexus and also in confirming involvement of this peripheral nerve due to other focal causes.

Original languageEnglish (US)
Pages (from-to)461-466
Number of pages6
JournalThe Tohoku Journal of Experimental Medicine
Volume142
Issue number4
DOIs
StatePublished - Jan 1984

Keywords

  • electrodiagnosis
  • lateral antebrachial cutaneous nerve
  • medial antebrachial cutaneous nerve
  • sensory nerve conduction

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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