Ulnar Nerve Injury and Entrapment

  • Yasusuke Hirasawa


The ulnar nerve originates from the medial cord of the brachial plexus (C8, Th1), runs down along the ulnar side of the arm, and comes out to the flexor-ulnar side of forearm after passing through the sulcus nervi ulnaris at the medial epicondyle of the humerus. It further runs down to the ulnar side of forearm and reaches the palm thorough the Guyon canal (Fig. 1).


Median Nerve Ulnar Nerve Elbow Joint Medial Epicondyle Ulnar Collateral Ligament 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Japan 2002

Authors and Affiliations

  • Yasusuke Hirasawa
    • 1
    • 2
  1. 1.Kyoto Prefectural University of MedicineJapan
  2. 2.Graduate SchoolMeiji University of Oriental MedicineKyotoJapan

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