Fashion & Textile Research Journal (한국의류산업학회지)

The Society of Fashion and Textile Industry (한국의류산업학회)
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Effects of Wearing COVID-19 Protective Face Masks on Respiratory, Cardiovascular Responses and Wear Comfort During Rest and Exercise

휴식과 운동 중 COVID-19 대응 보건용 마스크 착용이 호흡·심혈관계 반응 및 착용감에 미치는 영향

  • Jung, Jae-Yeon (Dept. of Textiles, Merchandising, and Fashion Design, Seoul National University) ;
  • Kang, ChanHyeok (Dept. of Physical Education, Seoul National University) ;
  • Seong, Yuchan (Dept. of Anthropology, Seoul National University) ;
  • Jang, Se-Hyeok (Dept. of Economic, Seoul National University) ;
  • Lee, Joo-Young (Dept. of Textiles, Merchandising, and Fashion Design, Seoul National University)
  • Received : 2020.12.08
  • Accepted : 2020.12.28
  • Published : 2020.12.31
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Abstract

This study explores the effects of facemasks on respiratory, thermoregulatory, cardiovascular responses during exercise on a treadmill and at rest. Five male subjects (25.8 ± 0.8 y, 171.8 ± 9.2 cm in height, 79.8 ± 28.1 kg in weight) participated in the following five experimental conditions: no mask, KF80, KF94, KF99, and N95. Inhalation resistance was ranked as KF80 < KF94 < N95 < KF99 and dead space inside a mask was ranked as KF80 = KF94 < N95 < KF99. The surface area covered by a mask was on average 1.1% of the total body surface area. The results showed no significant differences in body core temperature, oxygen consumption (VO2), carbon dioxide production (VCO2), heart rate or subjective perception among the five experimental conditions; however, cheek temperature, respiratory ventilation and blood pressure were greater for KF80 or KF94 conditions when compared to KF99 or N95 conditions (p<0.05). The differences among mask conditions are attributed to the dead space or specific designs (cup type vs pleats type) rather than the filtration level. In addition, the results suggest that improving mask design can help mitigate respiratory resistance from increased filtration.

Keywords

Acknowledgement

본 논문은 2020년도 (주)에이제이의 '보건용 마스크 개발' 연구용역사업 지원을 받아 수행되었습니다. 실험을 도와준 준 김승현, 김준호, Syifa, 이도신, 임가영 및 행정적 지원을 제공한 허윤정, 영문 교정을 도와 준 Andrew Gorski에게도 감사의 말씀을 전합니다.

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