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KMID : 1036220220250040321
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Clinics in Shoulder and Elbow
2022 Volume.25 No. 4 p.321 ~ p.327
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Reliability of the scapular dyskinesis test yes-no classification in asymptomatic individuals between students and expert physical therapists
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Ramiscal Lawrence S.
Bolgla Lori A.
Cook Chad E.
Magel John S.
Parada Stephen A.
Chong Raymond
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Abstract
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Background: Scapular dyskinesis is considered a risk factor for the shoulder pain that may warrant screening for prevention. Clinicians of all experience screen scapular dyskinesis using the scapular dyskinesis test yes-no classification (Y-N), yet its reliability in asymptomatic individuals is unknown. We aimed to establish Y-N’s intra- and inter-reliability between students and expert physical therapists.
Methods: We utilized a cross-sectional design using consecutive asymptomatic subjects. Six students and two experts rated 100 subjects using the Y-N. Cohen’s kappa (κ) and Krippendorff’s alpha (K-α) were calculated to determine intra- and inter-rater reliability.
Results: Intra- and inter-rater values for experts were κ=0.92 (95% confidence interval [CI], 0.91?0.93) and 0.85 (95% CI, 0.84?0.87) respectively; students were κ=0.77 (95% CI, 0.75?0.78) and K-α=0.63 (95% CI, 0.58?0.67).
Conclusions: The Y-N is reliable in detecting scapular dyskinesis in asymptomatic individuals regardless of experience.
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KEYWORD
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Dyskinesias, , Musculoskeletal system, Physical therapy specialty, Shoulder, Students
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