Cubital tunnel

Last revised by Dr Yuranga Weerakkody on 04 Sep 2018

The cubital tunnel is a space through which the ulnar nerve passes posterior to the medial epicondyle of the humerus

Gross anatomy

  • roof
    • cubital tunnel retinaculum (also known as ligament or band of Osborne), extends from the olecranon to the medial epicondyle
    • anconeus epitrochlearis (when present)
  • laterally: olecranon process
  • medially: medial epicondyle
  • floor: elbow joint capsule, posterior band of medial collateral ligament of the elbow joint
  • ulnar nerve
  • fat

Related pathology

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