How can a physical finding of an anomalous connection be misinterpreted in the evaluation of ulnar neuropathy?

Updated: Jun 08, 2018
  • Author: Charles F Guardia, III, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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If a Martin-Gruber anastomosis in the forearm or a Riche-Cannieu anastomosis in the palm is present, the examiner may be deceived by the apparent functioning of ulnar-innervated muscles.

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