Reliability of Scapular Downward Rotation Measurement in Subjects With Scapular Downward Rotation Syndrome

서지정보

ㆍ발행기관 : 한국전문물리치료학회 ㆍ수록지정보 : 한국전문물리치료학회지 / 21권 / 3호
ㆍ저자명 : Choi, Woo-Jeong, Lee, Ji-Hyun, Jeong, Hyo-Jung, Yoon, Tae-Lim, Cynn, Heon-Seock

목차

Abstract
Introduction
Methods
Subjects
Procedures
Visual assessment
Scapular downward rotation index
Statistical analysis
Results
Discussion
Conclusion
References

영어 초록

The purposes of the current study were to (1) estimate the inter-rater agreement for visual assessment of scapular downward rotation (SDR), (2) develop the scapular downward rotation index (SDRI) as a method to measure SDR objectively and quantitatively, and (3) analyze the intra- and inter-rater reliability of the SDRI. Twenty subjects with scapular downward rotation syndrome (SDRS) were recruited for this study. The visual assessment and the measurement for the SDRI were conducted by two examiners in two sessions each. The SDRI [(a-b)÷a×100] is calculated with the measurement of two linear distances: One is a perpendicular distance from the root of the scapular spine to the thoracic mid-line (a), and the other is a perpendicular distance from the inferior angle of the scapula to the thoracic mid-line (b). Cohen’s kappa coefficient was calculated to estimate the inter-rater agreement for visual assessment. Intra-class correlation coefficients (ICCs) with a 95% confidence interval (CI), the standard error of measurement, and minimal detectable differences were calculated to assess intra- and inter-rater reliability of SDR measurement using the SDRI. The results indicated that the kappa coefficient of inter-rater agreement for visual assessment was fair (κ=.21). The intra-rater reliability of SDR measurement using the SDRI was excellent for examiner 1 (ICC=.92, 95% CI=.78∼.97) and good for examiner 2 (ICC=.82, 95% CI=.55∼.93). The inter-rater reliability was moderate (ICC=.73, 95% CI=.32∼.89). These findings showed that SDR measurement using the SDRI for subjects with SDRS may be considered reliable and better than the visual assessment.

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