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Related Experiment Video

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Comprehensive classification test of scapular dyskinesis: A reliability study.

Tsun-Shun Huang1, Han-Yi Huang1, Tyng-Guey Wang2

  • 1School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taiwan, ROC.

Manual Therapy
|December 2, 2014
PubMed
Summary

This study found that a visual-based palpation method for assessing scapular dyskinesis (SD) shows moderate to substantial inter-rater reliability. This classification method is more reliable for identifying SD during arm lowering than raising movements.

Keywords:
ClassificationReliabilityScapular dyskinesis

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Physical Therapy

Background:

  • Scapular dyskinesis (SD) is linked to shoulder pathology.
  • A reliable clinical assessment for SD and treatment guidance is currently lacking.

Purpose of the Study:

  • To evaluate the reliability of a comprehensive scapular dyskinesis classification method.

Main Methods:

  • A cross-sectional reliability study involved 60 subjects with unilateral shoulder pain.
  • Two physiotherapists used visual-based palpation to assess SD during bilateral arm movements with weighted loads.
  • Scapular dyskinesis was classified into four patterns (I, II, III, IV) or mixed patterns.

Main Results:

  • Inter-rater agreement was 83% during arm raising and 68% during arm lowering.
  • Kappa coefficients ranged from 0.49 to 0.64, indicating moderate to substantial reliability.
  • SD patterns were more frequently observed during the lowering phase of arm movements.

Conclusions:

  • The visual-based palpation method for classifying scapular dyskinesis demonstrates moderate to substantial inter-rater reliability.
  • The study highlights the importance of the arm lowering phase for SD assessment.