What is the functional anatomy of the nerves in lateral epicondylitis (tennis elbow)?

Updated: Oct 30, 2018
  • Author: Bryant James Walrod, MD; Chief Editor: Craig C Young, MD  more...
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Answer

The radial nerve splits into the superficial radial and posterior interosseus nerve (PIN) at the radiocapitellar joint. The PIN may become entrapped by pericapsular structures, causing radial tunnel syndrome.


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