Cubital tunnel

Last revised by Henry Knipe on 8 May 2023

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 the Osborne ligament/band/retinaculum), 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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