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The Impact of Vibration Exercises on Shoulder Muscle Thickness
J Kor Phys Ther 2018;30(4):117-122
Published online August 31, 2018;  https://doi.org/10.18857/jkpt.2018.30.4.117
© 2018 The Korea Society of Physical Therapy.

Jin-Gyu Jeong1, Jae-Cheol Park2

1Department of Physical Therapy, Chunnam Techno University, Jeollanam-do; 2Department of Physical Therapy, Graduate School, Nambu University, Gwangju, Korea
Jae-Cheol Park
E-mail tldnjs74@naver.com
Received July 12, 2018; Revised August 17, 2018; Accepted August 31, 2018.
This is an Open Access article distribute under the terms of the Creative Commons Attribution Non-commercial License (http://creativecommons.org/license/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: The objective of this study was to examine the effect of vibration exercises generated from an XCO® trainer on supraspinatus, infraspinatus, teres minor, and deltoid muscle thickness.
Methods: Thirty subjects were evenly divided into two groups. Muscle thickness was measured by a sonogram prior to the study, and at three and six weeks after the intervention. Changes in muscle thickness were analyzed using a repeated measure analysis of variance (ANOVA). The significance level for the statistical test was set at α=0.05.
Results: A statistically significant differences in timing, interactions between timing and the groups, and between-group changes were demonstrated for supraspinatus muscle thickness (p<0.05). A similar finding was reported for infraspinatus, teres minor, and deltoid muscles with regard to the interactions between timing and the groups (p<0.05), although the between-group change did not reach statistical significance (p>0.05).
Conclusion: Significant changes were observed in the thickness of the supraspinatus, infraspinatus, teres minor, and deltoid muscles, owing to the use of vibration exercises generated from an XCO® trainer. These findings can be used as a foundation for future studies on rehabilitation training.
Keywords : XCO, Thickness, Ultrasosnograph, Vibration


August 2018, 30 (4)
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