Hand Surgery Source

Ulnar Nerve Subluxation

Test, Exam and Signs

During flexion of the elbow, it may be possible to note subluxation of the ulnar nerve over the medial epicondyle.

Presentation Photos and Related Diagrams
  • Subluxed ulnar nerve difficult to see but easy to palpate at arrow
    Subluxed ulnar nerve difficult to see but easy to palpate at arrow
Definition of Positive Result
  • Subluxation of the ulnar nerve over the medial epicondyle will be seen with flexion of the elbow.
Definition of Negative Result
  • No subluxation of the ulnar nerve over the medial epicondyle will be seen with flexion of the elbow.
Comments and Pearls
  • Ulnar nerve subluxation over the medial epicondyle can be asympyomatic.
  • Ulnar nerve subluxation over the medial epicondyle can cause pain.
  • Ulnar nerve subluxation over the medial epicondyle can be associated with cubital tunnel syndrome.
Diagnoses Associated with Tests, Exams and Signs
Video
Subluxating right ulnar nerve at the elbow
References
  1. Childress HM. Recurrent Ulnar-Nerve Dislocation at the Elbow. Clin Orth & Rel Res 1975; 108:168-173.