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. 2014 Apr;26(4):595-8.
doi: 10.1589/jpts.26.595. Epub 2014 Apr 23.

The Comparison of Cervical Repositioning Errors According to Smartphone Addiction Grades

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Free PMC article

The Comparison of Cervical Repositioning Errors According to Smartphone Addiction Grades

Jeonhyeong Lee et al. J Phys Ther Sci. .
Free PMC article

Abstract

[Purpose] The purpose of this study was to compare cervical repositioning errors according to smartphone addiction grades of adults in their 20s. [Subjects and Methods] A survey of smartphone addiction was conducted of 200 adults. Based on the survey results, 30 subjects were chosen to participate in this study, and they were divided into three groups of 10; a Normal Group, a Moderate Addiction Group, and a Severe Addiction Group. After attaching a C-ROM, we measured the cervical repositioning errors of flexion, extension, right lateral flexion and left lateral flexion. [Results] Significant differences in the cervical repositioning errors of flexion, extension, and right and left lateral flexion were found among the Normal Group, Moderate Addiction Group, and Severe Addiction Group. In particular, the Severe Addiction Group showed the largest errors. [Conclusion] The result indicates that as smartphone addiction becomes more severe, a person is more likely to show impaired proprioception, as well as impaired ability to recognize the right posture. Thus, musculoskeletal problems due to smartphone addiction should be resolved through social cognition and intervention, and physical therapeutic education and intervention to educate people about correct postures.

Keywords: Cervical reposition; Proprioception; Smartphone addiction.

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