Kang Kyung Woo, Jung Sang In, Lee Do Youn, Kim Kyoung, Lee Na Kyung
Department of Physical Therapy, College of Health and Therapy, Daegu Haany University, Republic of Korea.
Department of Physical Therapy, College of Rehabilitation Science, Daegu University, Republic of Korea.
J Phys Ther Sci. 2016 May;28(5):1496-8. doi: 10.1589/jpts.28.1496. Epub 2016 May 31.
[Purpose] The purpose of this study was to investigate respiratory function in different sitting postures while using a smartphone. [Subjects and Methods] Fifty healthy volunteers were recruited. Participants were divided into 2 groups, a control group of participants who spent time as they liked for 1 hour, and a smartphone group of participants who spent time using a smartphone in a sitting position for 1 hour. To investigate changes in respiratory function, we measured forced vital capacity, forced expiratory volume in 1 second, ratio of forced expiratory volume in 1 second to forced vital capacity, and peak expiratory flow. [Results] There was a statistically significant difference in forced vital capacity and forced expiratory volume in 1 second between the control group and smartphone group. [Conclusion] The clinical implication of our findings is that the posture assumed while using a smartphone leads to reduced respiratory function.
[目的] 本研究旨在调查使用智能手机时不同坐姿下的呼吸功能。[对象与方法] 招募了50名健康志愿者。参与者被分为2组，一组为对照组，参与者按自己喜欢的方式度过1小时；另一组为智能手机组，参与者以坐姿使用智能手机1小时。为了研究呼吸功能的变化，我们测量了用力肺活量、1秒用力呼气量、1秒用力呼气量与用力肺活量的比值以及呼气峰值流速。[结果] 对照组和智能手机组在用力肺活量和1秒用力呼气量方面存在统计学上的显著差异。[结论] 我们研究结果的临床意义在于，使用智能手机时所采取的姿势会导致呼吸功能下降。
