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Ulnar Collateral Ligament

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Ulnar Collateral Ligament

Alternative Names

  • Elbow Medial Collateral Ligament


  • Anterior Oblique Ligament (AOL)
    • Sometimes referred to as anterior bundle
    • Origin: Medial Epicondyle
    • Insertion: Sublime tubercle
    • Can be subdivided into anterior band and posterior band
  • Posterior Oblique Ligament (Posterior Bundle)
  • Transverse Ligament (Ligament of Cooper)


  • Anterior Oblique Ligament
    • Anterior band: isometric strain during range of motion
    • Posterior band: increasing strain with increased elbow flexion
  • Posterior Oblique Ligament
    • Increase tension as flexion increases

Clinical Significance

See Also

Created by:
John Kiel on 29 December 2019 01:23:39
Last edited:
27 April 2023 06:04:31