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KMID : 0357220180300040117
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Journal of Korean Society Physical Therapy
2018 Volume.30 No. 4 p.117 ~ p.122
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The Impact of Vibration Exercises on Shoulder Muscle Thickness
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Jeong Jin-Gyu
Park Jae-Cheol
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Abstract
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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.
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KEYWORD
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XCO, Thickness, Ultrasosnograph, Vibration
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