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Resisted External Derotation Test

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Other Names

  • Modified External De-rotation Test


Demonstration of the resisted external derotation test[1]
  • To evaluate the cause of hip pain


  • The patient is supine
  • The hip and knee on the affected side are both flexed 90°, and then the hip is externally rotated.
  • The patient is then asked to internally rotate the thigh back to a neutral position while the examiner resists
  • Positive test
    • Trochanteric pain



  • Unknown

See Also


  1. Sunil Kumar, Karadi Hari, et al. "Pathogenesis and contemporary diagnoses for lateral hip pain: a scoping review." Knee Surgery, Sports Traumatology, Arthroscopy 29 (2021): 2408-2416.
Created by:
John Kiel on 31 August 2020 18:58:38
Last edited:
16 May 2023 15:44:35