스마트폰 사용 시 체간의 각도가 폐활량에 미치는 영향


The Effect of Trunk Angle on Vital Capacity after using Smart Phone

김지환, 심재훈, 박상용

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The purpose of this study was to investigate the effect of the bending degree of the trunk when using smartphones on the lung capacity. Thirty young people were recruited for this study, and they were randomly assigned to either Group A (a posture with the back straight), Group B (a posture with both arms on a desk and the trunk bending 70°), or Group C (a posture using a smartphone with the forearms on the thighs), each 10. Subjects of each group were maintained the postures for 30 minutes. Vital capacity was measured before and after the intervention. Subjects of all groups showed significant decreases in vital capacity (p<.05), and subjects of Group C revealed a more significant decrease in vital capacity compared to the other two groups (p<.05). These findings indicate that there was more significant reduction in the vital capacity in greater the bending degree of the trunk. The use of smartphone may be important factor to influence on vital capacity; therefore, it is necessary to maintain a good posture while using smartphones for a long time.


Ⅰ. 서론
Ⅱ. 연구방법
1. 연구대상자
2. 측정도구 및 방법
3. 통계방법
Ⅲ. 결과
1. 연구대상자의 일반적 특성
2. 노력성 폐활량의 변화 비교
Ⅳ. 고찰
Ⅴ. 결론


  • 김지환 Ji-Hwan Kim. 삼성 힐 재활의학과
  • 심재훈 Jae-Hun Shim. 백석대학교 물리치료학과
  • 박상용 Sang-Yong Park. 등마루 신경외과


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