Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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Change of Cervical Angle According to Smartphone using Time

스마트폰 사용 시간이 목뼈 각도 변화에 미치는 영향

  • Kim, Soo-Han (Department of Physical Therapy, Kaya University) ;
  • Kim, Ko-Un (Department of Occupational Therapy, Graduate School of Rehabilitation Science, Daegu University)
  • 김수한 (가야대학교 물리치료학과) ;
  • 김고운 (대구대학교 재활과학과 작업치료전공)
  • Received : 2014.02.12
  • Accepted : 2014.03.18
  • Published : 2014.05.31
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Abstract

PURPOSE: This study uses X-rays investigate how university students' smart phone use affects the cervical vertebral angle. METHODS: Ninety-two randomly selected students agreed to participate in this study. The participants' number of hours of smart phone use was gathered using a questionnaire. An X-ray of the participants' cervical vertebrae was taken, and the cervical vertebral angle was measured using the Cobb and the absolute rotation angle (ARA) method. Also, the relation between pain and hours of smart phone use was identified using a visual analog scale (VAS). Using SPSS ver18, the relationships among the cervical vertebral angle and the items in the questionnaire were identified and a frequency analysis, an independent t-test, and the analysis of variance (ANOVA) were calculated. RESULTS: The study showed that an increase in the number hours of smart phone per day led to cervical lordosis(p<0.05). The relationships between points of smart phone addiction and cervical vertebral angle have a negative correlation (p<0.05). Therefore, there are the higher smart phone addiction points, the decrease the cervical vertebral angle. CONCLUSION: The results of the study showed that increase in smart phone use lead to cervical lordosis, and smart phone addiction scores resulted in decreased in the cervical vertebral angle.

Keywords

References

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