FADIR Test

Other Names

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The FADIR test, consists of flexion, adduction, and internal rotation that results in pain or clicking.

The modified FADIR test

Demonstration of the anterior hip impingement test

• Flexion-Adduction-Internal Rotation
• FAIR Test
• Piriformis Test
• FADDIR
• Flexion, internal rotation test
• Anterior Impingement Test
• Anterior Hip Impingement Test
• Flexion Adduction Internal Rotation Test
• Hip Impingement Test
• Femoroacetabular Impingement Test
• FAI Test
• FADIR Maneuver
• Hip Labral Impingement Test
• Internal Rotation Impingement Test

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Purpose

• Evaluate Piriformis, Acetabular Labrum and other structures as a cause of hip pain

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Description

• The patient can be either supine or laying on their side
• Passively move their hip into 90° of flexion, while adducting and internally rotating
• Positive test
  • Either pain along the piriformis distribution or sciatic nerve pain down the leg
• Note the patient may also feel anterior thigh pain from hip pathology
• Alternative approach is flexion, internal rotation without adduction

Modified FADIR

• While performing, apply pressure over the piriformis muscle belly

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Pathology

• Piriformis Syndrome
• Femoral Acetabular Impingement
• Avascular Necrosis of the Hip
• Hip Osteoarthritis
• Acetabular Labral Tear
• Snapping Hip Syndrome

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Evidence

Femoroacetabular Impingement or Acetabular Labral Tear

• Reiman et al systematic review
  • Sensitvity: 94-99%
  • DOR (diagnostic odds ratio): 5.71 - 7.82

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See Also

• Hip Pain Main
• Physical Exam Hip
• Osteoarthritis Main

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