O’Brien Test

O’Brien Test

  • O’Brien Test is used to test for Labral Injuries and SLAP lesions

  • Patient forward flexes the affected arm to 90 degrees while keeping the elbow fully extended.
  • The arm is then adducted 10-15 degrees across the body.
  • The patient then pronates the forearm so the thumb is pointing down.
  • The examiner applies downward force to the wrist while the arm is in this position while the patient resists.
  • The patient then supinates the forearm so the palm is up and the examiner once again applies force to the wrist while the patient resists.

  • Positive for SLAP tear when there is pain is “deep” in the glenohumeral joint while the forearm is pronated
  • but not when the forearm is supinated.

  • Sensitivity: 100 %
  • Specificity: 98 %

  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4325388
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