Effects of scapular upward rotation exercises on alignment of scapula and clavicle and strength of scapular upward rotators in subjects with scapular downward rotation syndrome

Abstract The purpose of this study was to investigate the effects of a 6-week scapular upward rotation exercise (SURE) on scapular and clavicular alignment and scapular upward rotators strength in subjects with scapular downward rotation syndrome (SDRS). Seventeen volunteer subjects with SDRS were r...

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Bibliographic Details
Published in:Journal of electromyography and kinesiology 2016-02, Vol.26, p.130-136
Main Authors: Ha, Sung-min, Kwon, Oh-yun, Yi, Chung-hwi, Cynn, Heon-seock, Weon, Jong-hyuck, Kim, Tae-ho
Format: Article
Language:English
Subjects:
Adult
Clavicle - diagnostic imaging
Clavicle - physiology
Exercise Therapy - methods
Female
Humans
Male
Muscle Strength - physiology
Muscle, Skeletal - diagnostic imaging
Muscle, Skeletal - physiology
Physical Medicine and Rehabilitation
Radiography
Resistance Training - methods
Rotation
Scapula - diagnostic imaging
Scapula - physiology
Scapular downward rotation syndrome
Scapular upward rotation exercise
Shoulder - diagnostic imaging
Shoulder - physiology
Shoulder Joint - diagnostic imaging
Shoulder Joint - physiology
Shoulder Pain - diagnostic imaging
Shoulder Pain - physiopathology
Shoulder Pain - rehabilitation
Treatment Outcome
Young Adult
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Summary:Abstract The purpose of this study was to investigate the effects of a 6-week scapular upward rotation exercise (SURE) on scapular and clavicular alignment and scapular upward rotators strength in subjects with scapular downward rotation syndrome (SDRS). Seventeen volunteer subjects with SDRS were recruited from university populations. The alignment of the scapula and clavicle was measured using radiographic analysis and compared in subjects before and after a 6-week self-SURE program. A hand-held dynamometer was used to measure the strength of the scapular upward rotators. The subjects were instructed how to perform the self-SURE program at home. The 6-week self-SURE program was divided into two sections (the first section with non-resistive SURE during weeks 1–3, and the second section with resistive SURE using thera-band during weeks 4–6). The significance of the difference between pre- and post-program was assessed using a paired t -test, with the level of statistical significance set at p < 0.05. Significant differences between pre- and post-program were found for scapular and clavicular alignment ( p < 0.05). Additionally, the comparison between pre- and post-program measurements of the strength of the scapular upward rotators showed significant differences ( p < 0.05). The results of this study showed that a 6-week self-SURE program is effective for improving scapular and clavicular alignment and increasing the strength of scapular upward rotator muscles in subjects with SDRS.
ISSN:1050-6411
1873-5711
DOI:10.1016/j.jelekin.2015.12.007