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Crank Test

Crank Test


Name
Purpose
Description
Sensitivity, Specificity
Validity, Reliability
Likelihood Ratio +/-
Crank Test
This test is used to evaluate the different glenohumeral ligaments or for anterior shoulder instability.[1] This test may also be used to assess a labral tear.[2]
“With the subject standing, the examiner places the distal hand on the subject’s elbow and the proximal hand on the subject’s proximal humerus and then passively elevates the subjects shoulder to 160 degrees in the scapular plane. With the distal hand, the examiner applies a load along the long axis of the humerus while the proximal hand externally and internally rotates the humerus.”[3]*
Sensitivity
90%2
Specificity
85%2
 
+62
-.122



[1] Magee DJ. Orthopedic Physical Assessment: 5th Edition. St. Louis, MO: Saunders Elsevier;2008.
[2] Cleland J. Orthopedic Clinical Examination: An Evidence-Based Approach for Physical Therapists. Carlstadt, NJ: Icon Learning Systems; 2005.
[3] Konin et al. Special tests for orthopedic examination: 3rd edition. Thorofare, NJ: Slack inc. 2006.