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Internal Rotation Over Pressure Test

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Other Names

  • Internal Rotation Over Pressure Test
  • IROP Test
  • Flexion Internal Rotation Axial Compression Test


Illustration of the Internal Rotation Over Pressure Test[1]
  • To evaluate the Hip Joint as a cause of a patients hip pain


  • The patient is supine
  • Flex, internally rotate the hip
  • Apply an axial force/pressure down the femur
  • Stabilize the contralateral pelvis with one hand if needed
  • Positive test
    • Pain in anterior groin for intraarticular hip pathology


  • Hip Joint Etiology


  • Unknown

See Also


  1. Image courtesy of http://thepainsource.com/, "the diagnostic validity of hip provocation maneuvers to detect intra-articular hip pathology"
Created by:
John Kiel on 9 April 2022 12:44:32
Last edited:
12 April 2023 17:25:58