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Severe hypoxia does not offset the benefits of exercise on cognitive function in sedentary young women
Lei,On Kei1; Kong,Zhaowei1; Loprinzi,Paul D.2; Shi,Qingde3; Sun,Shengyan4; Zou,Liye5; Hu,Yang6; Nie,Jinlei3
2019-03-02
Source PublicationInternational Journal of Environmental Research and Public Health
ISSN16604601 16617827
Volume16Issue:6
AbstractPurpose: To examine the effect of acute moderate-intensity continuous exercise performed under normobaric severe hypoxia on cognition, compared to sea-level normoxia. Methods: Thirty healthy inactive women randomly performed two experimental trials separated by at least three days but at approximately the same time of day. Executive functions were measured during the follicular stage via an interference control task before (rest) and during exercise with 45% peak power output under normobaric normoxia (PIO = 150 mmHg, FIO = 0.21), and (2) hypoxia (PIO = 87 mmHg, FIO = 0.12, simulated at an altitude of 4000 m). Reaction time (RT), accuracy rate (AC), heart rate, ratings of perceived exertion, and peripheral oxygen saturation (SpO ) were collected before and during exercise. Results: RT (p < 0.05, η = 0.203) decreased during moderate exercise when compared at rest, while a short bout of severe hypoxia improved RT (p < 0.05, η = 0.134). Exercise and hypoxia had no effects on AC (p > 0.05). No significant associations were found between the changes of RT and SpO under the conditions of normoxia and hypoxia (p > 0.05). Conclusions: At the same phase of the menstrual cycle, a short bout of severe hypoxia simulated at 4000 m altitude caused no impairment at rest. RT during moderate exercise ameliorated in normoxia and severe hypoxia, suggesting that both exercise and short-term severe hypoxia have benefits on cognitive function in sedentary young women.
KeywordAccuracy Exercise Hypoxia Peripheral oxygen saturation Reaction time
DOI10.3390/ijerph16061003
URLView the original
Language英语
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Education
Corresponding AuthorZou,Liye
Affiliation1.Faculty of Education,University of Macau,,Macao
2.Department of Health,Exercise Science and Recreation Management School of Applied Sciences,The University of Mississippi,,Oxford,36877,United States
3.School of Physical Education and Sports,Macao Polytechnic Institute,,Macao
4.Institute of Physical Education,Huzhou University,,Huzhou,313000,China
5.Lifestyle (Mind-Body Movement) Research Center,College of Sports Science,Shenzhen University,,Shenzhen,518060,China
6.Sports Science Research Center,Beijing Sport University,,Beijing,100084,China
First Author AffilicationFaculty of Education
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GB/T 7714
Lei,On Kei,Kong,Zhaowei,Loprinzi,Paul D.,et al. Severe hypoxia does not offset the benefits of exercise on cognitive function in sedentary young women[J]. International Journal of Environmental Research and Public Health,2019,16(6).
APA Lei,On Kei.,Kong,Zhaowei.,Loprinzi,Paul D..,Shi,Qingde.,Sun,Shengyan.,...&Nie,Jinlei.(2019).Severe hypoxia does not offset the benefits of exercise on cognitive function in sedentary young women.International Journal of Environmental Research and Public Health,16(6).
MLA Lei,On Kei,et al."Severe hypoxia does not offset the benefits of exercise on cognitive function in sedentary young women".International Journal of Environmental Research and Public Health 16.6(2019).
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