Crank Test
Other Names
- Crank Test
- Compression Rotator Test
- Labral 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[4]
- 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
- Glenoid Labral Tears
- Glenohumeral ligament pathology
Evidence
- Cleland et al[5]
- Sensitivity: 90%
- Specificity: 85%
- LR+: 6
- LR-: 0.12
- Nakagawa et al[6]
- Sensitivity: 58%
- Specificity: 72%
- Accuracy: 66%
- PPV: 63%
- NPV: 68%
See Also
References
- ↑ Image courtesy of clinicalgate.com
- ↑ Image courtesy of uptodate.com, "Crank test for SLAP lesion"
- ↑ Tennent, T. Duncan, William R. Beach, and John F. Meyers. "A review of the special tests associated with shoulder examination: part I: the rotator cuff tests." The American journal of sports medicine 31.1 (2003): 154-160.
- ↑ 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.
- ↑ Cleland J. Orthopedic Clinical Examination: An Evidence-Based Approach for Physical Therapists. Carlstadt, NJ: Icon Learning Systems; 2005
- ↑ Nakagawa, Shigeto, et al. "Forced shoulder abduction and elbow flexion test: a new simple clinical test to detect superior labral injury in the throwing shoulder." Arthroscopy: The Journal of Arthroscopic & Related Surgery 21.11 (2005): 1290-1295.
Created by:
John Kiel on 24 July 2019 00:16:28
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Last edited:
15 September 2025 15:03:53
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