apprehension test

(ap″rē-hen′shŏn) [L. apprehendere, to grasp] A test of joint instability. If instability is present, the patient displays concern or discomfort when a joint is put in a position of risk for dislocation. The patient will attempt to resist the maneuver by muscle contraction.

Patella: The patient lies supine with a relaxed quadriceps, and the examiner places digital pressure on the patella, attempting to locate it laterally.

Shoulder: The arm is abducted to 90° and rotated externally. With continued external rotation, the patient with an unstable shoulder expresses fear of dislocation.

单词	apprehension test
释义	apprehension test apprehension test (ap″rē-hen′shŏn) [L. apprehendere, to grasp] A test of joint instability. If instability is present, the patient displays concern or discomfort when a joint is put in a position of risk for dislocation. The patient will attempt to resist the maneuver by muscle contraction. Patella: The patient lies supine with a relaxed quadriceps, and the examiner places digital pressure on the patella, attempting to locate it laterally. Shoulder: The arm is abducted to 90° and rotated externally. With continued external rotation, the patient with an unstable shoulder expresses fear of dislocation.
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