Time-varying Changes in Pulmonary Function with Exposure to Prolonged Sitting

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Abstract

Objectives The purpose of this study was to quantify the time-varying changes in pulmonary function with exposure to prolonged sitting. Methods Twenty-one healthy volunteers were recruited. The pulmonary function of all participants was measured three times in order to assess changes over time; pulmonary function was measured before sitting, after participants had been seated for 1 hour, and after they had been seated for 2 hours. A spirometer was used to measure pulmonary function. The recorded values were forced vital capacity, forced expiratory volume in 1 second, ratio of forced expiratory volume in 1 second to forced vital capacity (forced expiratory volume in 1 second/forced vital capacity), and peak expiratory flow. Results All measured values were significantly different before sitting and after 1 hour of sitting. There were also significant differences between all measurements taken before sitting and after 2 hours of sitting. However, the measurements taken after 1 hour and 2 hours of sitting did not significantly differ. Conclusion These findings suggest that significant changes in pulmonary function occur relatively quickly when human beings are seated.

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APA

Kang, K. W., Son, S. M., & Ko, Y. M. (2016). Time-varying Changes in Pulmonary Function with Exposure to Prolonged Sitting. Osong Public Health and Research Perspectives, 7(6), 382–384. https://doi.org/10.1016/j.phrp.2016.11.005

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