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Crank Test

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Other Names

Crank Test
Demonstration of Crank Test.[1]
  • Crank Test

Purpose

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

Description

  • Patient is seated, examiner standing behind patient
  • Examiner places distal hand on subjects elbow and proximal hand on subjects humerus[2]
  • Examiner passively abducts shoulder to somewhere between 90° and 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

Pathology


Evidence

Glenoid Labral Tears

  • Cleland et al[3]
    • Sensitivity: 90%
    • Specificity: 85%
    • LR+: 6
    • LR-: 0.12

See Also


References

  1. Image courtesy of uptodate.com, "Crank test for SLAP lesion"
  2. Liu, Stephen H., Mark H. Henry, and Stephen L. Nuccion. "A prospective evaluation of a new physical examination in predicting glenoid labral tears." The American journal of sports medicine 24.6 (1996): 721-725.
  3. Cleland J. Orthopedic Clinical Examination: An Evidence-Based Approach for Physical Therapists. Carlstadt, NJ: Icon Learning Systems; 2005
Created by:
John Kiel on 24 July 2019 00:16:28
Authors:
Last edited:
7 January 2024 17:18:33
Category: