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Effect of a Specific Rehabilitation Program of Serratus Anterior and Lower Trapezius Muscles for Subacromial Impingement Syndrome on Subacromial Space and the Vascularity of Supraspinatus Tendon
Korean J Sports Med 2018;36:34-44
Published online March 1, 2018;  https://doi.org/10.5763/kjsm.2018.36.1.34
© 2018 The Korean Society of Sports Medicine.

Eunkuk Kim, Hokyung Choi

Department of Physical Education, Korea National Sport University, Seoul, Korea
Correspondence to: Hokyung Choi
Department of Physical Education, Korea National Sport University, 1239 Yangjae-daero, Songpa-gu, Seoul 05541, Korea
Tel: +82-2-410-6830, Fax: +82-2-418-1877, E-mail: ghruddl82@gmail.com
Received February 2, 2018; Revised February 28, 2018; Accepted February 28, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Purpose: This study was designed to assess the effects of a rehabilitation program on clinical symptoms, subacromial space parameters and the supraspinatus vascularity in individuals with subacromial impingement syndrome (SIS).
Methods: Thirty-five participants (exercise group with SIS [EG]=11, non-exercise group with SIS [NEG]=10, control group [CG]=14) took part in this study. Only EG participated in 6-week rehabilitation program. Outcomes were evaluated at baseline, 6 weeks, and 10 weeks. Changes in symptoms and functional limitations were assessed using Shoulder Pain and Disability Index (SPADI) questionnaire. Changes in acromiohumeral distance (AHD) and supraspinatus tendon thickness (STT)/AHD were assessed using ultrasonographic measures. Quantitative analysis of tendon blood flow was performed by determining four regions of interest with power Doppler quantification and analysis software to normalize data for interpretation of the mean ratio of colored pixel to the region of interest (vascularization index [VI]) and the intensity per pixel (flow index [FI]).
Results: Following the rehabilitation program, the scores on SPADI were significantly improved (p竊0.05). However, AHD, STT/AHD, VI, and FI indicated no significant difference within groups or interactions of time and group in between groups.
Conclusion: The rehabilitation program yielded improvements in symptoms, but not in subacromial parameters and the vascularity of supraspinatus in participants with SIS.
Keywords : Acromiohumeral distance, Power Doppler, Subacromial impingement syndrome, Supraspinatus tendon thickness, Ultrasonography
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