Document Detail

Median and ulnar nerve communication in the forearm: an anatomical and electrophysiological study.
MedLine Citation:
PMID:  12960925     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: We aimed to determine the presence of median and ulnar nerve communication in the forearm by anatomical and electrophysiological examinations in the Anatolian population. MATERIAL/METHODS: 30 forearms from 15 preserved cadavers (2 females, 13 males, 42-65 years of age) were carefully dissected to observe median and ulnar nerve communication. We also performed median and ulnar nerve motor conduction studies by recording the thenar, hypothenar and first dorsal interosseous (FDI) muscles, stimulating both nerves at distal and proximal points, and the recordings were compared in 60 forearms (30 subjects, 17 female, 13 male, 34-67 years of age). RESULTS: Martin-Gruber communication was observed in 2 of 30 forearms (15 cases) by anatomical examination, in 2 of 60 forearms (30 cases) by electrophysiological examination. No Marinacci communication was found in either anatomical or electrophysiological examinations. CONCLUSIONS: In this study group, the ratio of MGC was revealed as 3.3% and 6.6%, in the electrophysiological and anatomical examination, respectively. Knowledge of this crossover is of crucial importance in the clinical evaluation of nerve injuries of the median and ulnar nerves, as well as in accurate interpretation of nerve conduction velocity of these nerves, especially in association with carpal tunnel syndrome. Anatomical and electrophysiological classifications of Martin-Gruber communication are reviewed.
Lavent Sarikcioglu; Muzaffer Sindel; Sibel Ozkaynak; Hulya Aydin
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical science monitor : international medical journal of experimental and clinical research     Volume:  9     ISSN:  1234-1010     ISO Abbreviation:  Med. Sci. Monit.     Publication Date:  2003 Sep 
Date Detail:
Created Date:  2003-09-08     Completed Date:  2004-01-06     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9609063     Medline TA:  Med Sci Monit     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  BR351-6     Citation Subset:  IM    
Departments of Anatomy, Akdeniz University Faculty of Medicine, Antalya, Turkey.
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MeSH Terms
Action Potentials / physiology
Forearm / innervation*
Median Nerve / abnormalities,  anatomy & histology,  physiology*
Middle Aged
Reference Values
Ulnar Nerve / abnormalities,  anatomy & histology,  physiology*

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