What is FADDIR Test?

FADDIR Test (Flexion ADDuction Internal Rotation test) or as it called the Anterior apprehension test of the hip joint is used to examine the:

  1. Femoroacetabular impingement syndrome.
  2. Anterior labral tear.
  3. Iliopsoas tendinitis.

This test is also called Femoroacetabular Impingement Test.

How do you perform a FADIR Test?


What does a positive FADDIR Test mean?

Sensitivity & Specificity

 The FADDIR Test (Flexion ADDuction Internal Rotation) accuracy for screening cam and pincer morphology (Femoroacetabular Impingement) according to Nicola C Casartelli in his study 1:

Another study by Burnett et al 2 found that Sensitivity of FADDIR Test was 95 % (Specificity not calculated).


Femoroacetabular impingement
Femoroacetabular impingement


  1. Nicola C Casartelli, Romana Brunner, Nicola A Maffiuletti, Mario Bizzini, Michael Leunig, Christian W Pfirrmann, Reto Sutter. The FADIR test accuracy for screening cam and pincer morphology in youth ice hockey players. J Sci Med Sport. 2018 Feb;21(2):134-138. doi: 10.1016/ j.jsams.2017.06.011. Epub 2017 Jun 21. PMID: 28669665
  2. Clinical presentation of patients with tears of the acetabular labrum. Burnett RS, Della Rocca GJ, Prather H, Curry M, Maloney WJ, Clohisy JCJ Bone Joint Surg Am. 2006 Jul; 88(7):1448-57. [PubMed].
  3. Clinical Tests for the Musculoskeletal System, Third Edition.
  4. Millers Review of Orthopaedics, 7th Edition.

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