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Patellar Apprehension Test

Aka: Patellar Apprehension Test

Indications
1. Evaluation of Patellofemoral Syndrome
2. Evaluation for Patella subluxation
3. Evaluation for Patella dislocation
Technique
1. Patient lies supine
  1. Knee flexed to 30 degrees or
  2. Knee in full extension
2. Examiner applies pressure from medial Patella
  1. Patella forced laterally by medial pressure
3. Patient tightens quadriceps muscle
  1. Positive test is painful
  2. Patient may refuse to do this in anticipation of pain
Interpretation: Positive Test if painful
1. Patellofemoral Syndrome
2. Lateral patellofemoral instability
3. Patellar Subluxation (recent acute Knee Injury)

Apprehension test response (C0231741)
Concepts	Clinical Attribute (T201)
SnomedCT	364508000, 53820009
English	Aprehension test, Apprehension test, Aprehension test response (observable entity), Aprehension test response, Apprehension test response (observable entity), Apprehension test response, Apprehension sign, Apprehension sign (finding)
Spanish	respuesta a la prueba de aprehensión (entidad observable), respuesta a la prueba de aprehensión, signo de aprehensión (hallazgo), signo de aprehensión
Sources	Derived from the NIH UMLS (Unified Medical Language System)

Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 2/1/2012 and last published on 5/14/2013.

This is one of 5887 pages in the Family Practice Notebook