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Lateral Pivot Shift Test

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Other Names

  • LCL Pivot Shift Test
  • Posterolateral rotatory instability test
  • Lateral pivot shift apprehension test
  • Elbow apprehension test
  • PLRI test


Lateral Pivot Shift Test
Illustration of the Lateral Pivot Shift Test[1]


  • Patient is supine, arm abducted overhead
  • Elbow extended, forearm supinated
  • Axial force applied down humerus
  • Valgus force applied to elbow
  • Maintain axial & valgus forces while flexing & extending elbow
  • May cause radial head subluxation posterolaterally & skin dimpling
  • Positive test
    • Triceps tendon will reduce the lax or unstable radial head
    • Apprehension & reduction of radial head/clunk during flexion



  • Unknown

See Also


  1. Camp, Christopher L., Jay Smith, and Shawn W. O'Driscoll. "Posterolateral rotatory instability of the elbow: Part II. Supplementary examination and dynamic imaging techniques." Arthroscopy techniques 6.2 (2017): e407-e411.
  2. O’Driscoll S, Bell D, Morrey BF. Posterolateral rotatory instability of the elbow. J Bone Joint Surg Am. 1991;73(3):440–446.
Created by:
John Kiel on 17 December 2019 02:45:48
Last edited:
26 January 2023 20:55:37