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Infraspinatus Test

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Other Names

  • External Rotation Test


Illustration of the infraspinatus test


  • The patient can be either standing or seated
  • The arm is resting at the patients side, elbow bent to 90°
  • The examiner places a medial force to the arm and asks the patient to externally rotate their arm against resistance
  • Positive test:
    • Pain is more indicative of tendinopathy
    • Weakness is more suggestive of a tear or neurovascular injury



  • Magee et al[1]
    • Sensitivity: 41.6%
    • Specificity: 90.1%
    • LR+: 4.2
    • LR-: 0.65

See Also


  1. Magee DJ. Orthopedic Physical Assessment: 5th Edition. St. Louis, MO: Saunders Elsevier;2008.
Created by:
John Kiel on 29 July 2019 16:26:49
Last edited:
12 April 2023 17:11:39