Dynamic Labral Shear Test
Other Names
- Dynamic Labral Shear Test
- Labral Shear Test
- Modified Dynamic Labral Shear Test
- DLST
- Dynamic shear test
- Mayo Shear Test
- O'Driscoll's SLAP Test
Purpose
- To evaluate the Glenoid Labrum as a cause of shoulder pain
Description
- Patient is seated or standing
- Externally rotate arm to 90°, abduct to 90°, elbow flexed
- Abduct further from 90° to 120°
- Positive test
- Pain or mechanical symptoms in this final 30° range
Modification
- Apply anterior force on scapula with one hand
- Flex elbow 90°
- Grasp forearm with other hand & abduct
- shoulder above & below 90° deg arc
- Positive test
- Pain in superior/posterior shoulder
Pathology
Evidence
Isolated SLAP Tear
- Sodha et al[3]
- Sensitivity: 78%
- Specificity: 51%
- PPV: 2%
- NPV: 100%
- OR: 3.58
- Diagnostic Accuracy: 51%
See Also
References
- ↑ Manske, Robert, and Todd Ellenbecker. "Current concepts in shoulder examination of the overhead athlete." International journal of sports physical therapy 8.5 (2013): 554.
- ↑ Sodha, Sonal, et al. "Clinical assessment of the dynamic labral shear test for superior labrum anterior and posterior lesions." The American Journal of Sports Medicine 45.4 (2017): 775-781.
- ↑ Sodha S, Srikumaran U, Choi K, Borade AU, McFarland EG. Clinical Assessment of the Dynamic Labral Shear Test for Superior Labrum Anterior and Posterior Lesions. Am J Sports Med. 2017 Mar;45(4):775-781.
Created by:
John Kiel on 18 March 2020 16:06:50
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Last edited:
5 October 2025 14:05:49
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