Patellar Apprehension Test (Fairbank’s) Special Test

What is it used for?

• Assessing history of Lateral Patellar Dislocation.

How to Perform

• Position: Patient supine, knee flexed to 30° (quads relaxed).
• Action: Examiner slowly pushes the patella laterally.

Interpretation of Results

• Positive Test: Patient actively contracts the quadriceps or expresses fear (apprehension) to stop the dislocation.

Diagnostic Accuracy

• Sensitivity: 100%
• Specificity: 88%

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.