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KMID : 0357220160280050292
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Journal of Korean Society Physical Therapy
2016 Volume.28 No. 5 p.292 ~ p.296
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Effects of Modified Cervical Exercise on Respiratory Functions in Smartphone Users with Forward Head Posture
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Kong Yong-Soo
Kim Yu-Mi
Shim Je-Myung
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Abstract
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Purpose: This study was conducted to investigate the effects of modified cervical exercise on respiratory functions in smartphone users with forward head posture.
Methods: Thirty-three smartphone users with forward head posture participated in this study. Subjects were divided into three groups that performed modified cervical exercise one time a day (A group), two times a day (B group), and three times a day (C group). All subjects performed the exercise for four weeks, during which time respiratory functions were measured.
Results: There were significant differences in respiratory functions such as forced vital capacity, forced expiratory volume at one second, and maximal voluntary ventilation in the C group after four weeks (p<0.05). Moreover, the forced vital capacity differed among groups, and the post hoc test revealed a significant difference between A group and C group (p<0.05).
Conclusion: The results of this study confirmed that modified cervical exercise improved respiratory functions in smartphone users with forward head posture. These findings indicate that smartphone users with forward head posture should perform modified cervical exercise to build correct posture and respiratory functions.
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KEYWORD
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Smartphone, Respiratory function, Posture
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