patellar apprehension sign

patellar apprehension sign

a physical finding in which forced lateral displacement of the patella produces anxiety and resistance in patients with a history of lateral patellar instability.

pa·tel·lar ap·pre·hen·sion sign

(pă-tel'ăr ap-rē-hen'shŭn sīn)
A physical finding in which forced lateral displacement of the patella produces anxiety and resistance in patients with a history of lateral patellar instability.
Synonym(s): patella apprehension test.