{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,18]],"date-time":"2026-04-18T05:33:09Z","timestamp":1776490389813,"version":"3.51.2"},"reference-count":18,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,11,26]],"date-time":"2021-11-26T00:00:00Z","timestamp":1637884800000},"content-version":"vor","delay-in-days":329,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acute Medicine &amp; Surgery"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec><jats:title>Aim<\/jats:title><jats:p>This study aimed to measure the influence of wearing face masks on individuals\u2019 physical status in a hot and humid environment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Each participant experienced different physical situations: (i) not wearing a mask (control), (ii) wearing a surgical mask, (iii) wearing a sport mask. An ingestible capsule thermometer was used to measure internal core body temperature during different exercises (standing, walking, and running, each for 20\u2009min) in an artificial weather room with the internal wet\u2010bulb globe temperature set at 28\u00b0C. The change in the participants\u2019 physical status and urinary liver fatty acid\u2010binding protein (L\u2010FABP) were measured.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Six healthy male volunteers were enrolled in the study. In each participant, significant changes were observed in the heart rate and internal core temperatures after increased exercise intensity; however, no significant differences were observed between these parameters and urinary L\u2010FABP among the three intervention groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Mask wearing is not a risk factor for heatstroke during increased exercise intensity.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ams2.712","type":"journal-article","created":{"date-parts":[[2021,11,26]],"date-time":"2021-11-26T15:24:29Z","timestamp":1637940269000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Wearing a face mask during controlled\u2010intensity exercise is not a risk factor for exertional heatstroke: A pilot study"],"prefix":"10.1002","volume":"8","author":[{"given":"Taigo","family":"Sakamoto","sequence":"first","affiliation":[{"name":"Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Narita","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kensuke","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hirofumi","family":"Obinata","sequence":"additional","affiliation":[{"name":"Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kei","family":"Ogawa","sequence":"additional","affiliation":[{"name":"Department of Industrial Administration Tokyo University of Science Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryotaro","family":"Suga","sequence":"additional","affiliation":[{"name":"Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan"},{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haruka","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mayumi","family":"Nakazawa","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marina","family":"Yamada","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoo","family":"Ogawa","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Yokota","sequence":"additional","affiliation":[{"name":"Graduate School of Medical and Health Science Nippon Sport Science University Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7409-704X","authenticated-orcid":false,"given":"Shoji","family":"Yokobori","sequence":"additional","affiliation":[{"name":"Department of Emergency and Critical Care Medicine Nippon Medical School Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,11,26]]},"reference":[{"key":"e_1_2_8_2_1","first-page":"80","article-title":"Heatstroke management during the COVID\u201019 epidemic: recommendations from the experts in Japan","volume":"7","author":"Yokobori S","year":"2020","journal-title":"Acute. 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