Reliability of Measures of Scapular Protraction Strength in the Supine and
Seated Positions |
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| Authors: | Min-Hyeok Kang Ji-Won Kim Yang-Gon Kim Jun-Seok Kim Jae-Seop Oh |
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| Affiliation: | 1) Department of Rehabilitation Science, Graduate School, Inje University, Republic of Korea;2) Department of Physical Therapy, Nambu University, Republic of Korea;3) Department of Physical Therapy, Graduate School, Inje University, Republic of Korea;4) Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University Ubiquitous-healthcare & Anti-aging Research Center, Inje University, Republic of Korea |
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| Abstract: | ![]()
[Purpose] The purpose of this study was to investigate the intra-rater reliability ofmeasures of scapular protraction strength using a novel method. [Subjects] Forty-ninehealthy subjects participated in this study. [Methods] Subjects performed maximalisometric scapular protraction on the left and right sides in the supine and seatedpositions. During scapular protraction, resistance was applied to the olecranon, and thestrength of scapular protraction was measured using a load cell. Intra-rater reliabilitywas calculated as the intra-class correlation coefficient (ICC3,1). [Results]High intra-rater reliability scores (0.97–0.98) for scapular protraction strength wereobserved in the supine and seated positions. [Conclusion] These findings demonstrate thatthe method described herein may provide a more reliable and convenient method to measurescapular protraction strength than common current practice does.Key words: Reliability, Scapular protraction, Serratus anterior |
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