Clinical Importance of Anatomic Variation of the Nerves of the Upper Extremity

Mark A. Mahan, Robert J. Spinner

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


Appreciation of nerve variation is essential for clinical practice. It provides insight into the variability of patient presentation and mechanisms of injury. Awareness facilitates surgical safety and efficacy. Clinically significant anatomic variation can be divided into two main heuristics: variability in the course or distribution of a nerve and variability of structures that may physically impinge on a nerve. This chapter illustrates these two patterns and details the specifics of the more common variations that need to be understood by clinicians and surgeons.

Original languageEnglish (US)
Title of host publicationHistory, Embryology, Anatomy, Imaging, and Diagnostics
PublisherElsevier Ltd
Number of pages17
ISBN (Electronic)9780124104471
ISBN (Print)9780124103900
StatePublished - Apr 23 2015


  • Anomalous
  • Brachial plexus
  • Carpal tunnel
  • Cubital tunnel
  • Denervation
  • Entrapment
  • Lateral antebrachial cutaneous
  • Martin-Gruber
  • Medial antebrachial cutaneous
  • Median nerve
  • Musculocutaneous
  • Neuropathy
  • Pectoralis
  • Radial nerve
  • Riche-Cannieu
  • Ulnar nerve
  • Variation

ASJC Scopus subject areas

  • Medicine(all)


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