Patellar Apprehension Test

Patellar Apprehension Test is used to test whether the patella is likely to dislocate laterally (Patellar Instability).
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 Patellar Apprehension Test

What is Patellar Apprehension Test?

  • Patellar Apprehension Test is used to test whether the patella is likely to dislocate laterally (Patellar Instability).


How it's Performed?

  • Patient is supine with their affected knee extended,
  • Examiner uses a slow and moderate pressure against the medial aspect of the patella moving it in a lateral direction,
  • Examiner observes patient’s reaction.

What does a positive Patellar Apprehension Test mean?

  • POSITIVE SIGN: Patient expresses apprehension and/ or might try to move their affected knee away from the pressure.

Sensitivity & Specificity

  • Sensitivity: 100 %
  • Specificity: 88 %

Reference


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