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Dynamic Labral Shear Test

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Other Names

  • Dynamic Labral Shear Test
  • Labral Shear Test
  • Modified Dynamic Labral Shear Test
  • DLST
  • Dynamic shear test

Purpose

Clinical demonstration of the dynamic labral shear test[1]

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[2]
    • Sensitivity: 78%
    • Specificity: 51%
    • PPV: 2%
    • NPV: 100%
    • OR: 3.58
    • Diagnostic Accuracy: 51%

See Also


References

  1. Manske, Robert, and Todd Ellenbecker. "Current concepts in shoulder examination of the overhead athlete." International journal of sports physical therapy 8.5 (2013): 554.
  2. 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
Authors:
Last edited:
28 March 2023 14:09:05
Category: