Crank Test

Other Names

• Crank Test

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Purpose

Demonstration of Crank Test.[ref]Image courtesy of uptodate.com, "Crank test for SLAP lesion"[/ref]

• Evaluate Glenoid Labrum, Glenohumeral Ligaments
• Applies axial pressure to the posterior glenoid labrum

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Description

• Patient is seated, examiner standing behind patient
• Examiner places distal hand on subjects elbow and proximal hand on subjects humerus
• Examiner passively abducts shoulder to 160°
• The hand on the elbow now places an axial load on the humerus
• The proximal hand internally and externally rotates the humerus
• Positive test
  • Reproduction of symptoms ± clicking

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Pathology

• Glenoid Labral Tears
• Glenohumeral ligament pathology

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Evidence

Glenoid Labral Tears

• Cleland et al
  • Sensitivity: 90%
  • Specificity: 85%
  • LR+: 6
  • LR-: 0.12

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See Also

• Shoulder Pain (Main)
• Shoulder Anatomy (Main)
• Physical Exam Shoulder

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