Physical Therapy Rehabilitation Science

korean Academy of Physical Therapy Rehabilitation Science (물리치료재활과학회)
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Respiratory Functions at Rest and after Exercise in the Quarantined People Due to COVID-19 Infection

  • Lee, Yun-Hee (Department of Physical Therapy, Graduate School of Health and Medicine, Daejeon University) ;
  • Shin, Won-Seob (Department of Physical Therapy, Graduate School of Health and Medicine, Daejeon University)
  • Received : 2022.09.21
  • Accepted : 2022.09.28
  • Published : 2022.09.30
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Abstract

Objective: The purpose of this study is to find out whether people still have problems with breathing after being quarantined for a certain period after being infected with COVID-19. Design: Two-group pretest-posttest design. Methods: A total of 36 subjects were included in this study. Subjects who have been quarantined after being infected with COVID-19 (the after-quarantine group, n=18) and those who have never had COVID-19 (the healthy group, n=18). Respiratory function was evaluated by subjects in resting state and after treadmill exercise. Subjects performed treadmill exercise at moderate intensity for 20 minutes. To compare the differences in respiratory function between groups, forced vital capacity (FVC), forced expiratory volume in first second (FEV1), and maximum voluntary ventilation (MVV) were evaluated using a spirometer. Results: The result of the study, there was a significant difference in FVC in the after-quarantine group between resting and after treadmill exercise (p<0.05). In the healthy group, there was no significant difference in respiratory functions between resting and after treadmill exercise. Conclusions: The meaning of this result is that people who have been quarantined with COVID-19 have lower respiratory function than healthy people who are not infected with COVID-19.

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