The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.

<h4>Background</h4>Cardiorespiratory fitness (CRF) is the core element of health-related physical fitness evaluation. High pressure and low oxygen in Tibet (over 3,500 m above sea level) may negatively impact the residents' CRF. The 20-m shuttle run test (20mSRT) is the most popular...

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Autores principales:	Chaoqun Fan, Ruizhe Sun, Mingjian Nie, Mei Wang, Zhi Yao, Qiang Feng, Wenfeng Xu, Runzi Yuan, Zhongfang Gao, Qiaorui Cheng, Jingjing Wang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/415425d9697a4f45933ea3f55ac845e1
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spelling	oai:doaj.org-article:415425d9697a4f45933ea3f55ac845e12021-12-02T20:17:44ZThe Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.1932-620310.1371/journal.pone.0256258https://doaj.org/article/415425d9697a4f45933ea3f55ac845e12021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256258https://doaj.org/toc/1932-6203<h4>Background</h4>Cardiorespiratory fitness (CRF) is the core element of health-related physical fitness evaluation. High pressure and low oxygen in Tibet (over 3,500 m above sea level) may negatively impact the residents' CRF. The 20-m shuttle run test (20mSRT) is the most popular field-based assessment and estimate of CRF in children and adolescents worldwide. However, normative CRF data for the children and adolescents residing in China's plateau region are unavailable, which prevents comparability among those living at high-altitudes around the world.<h4>Purpose</h4>To measure the CRF of Chinese children and adolescents aged 9-18 years living in Tibet at altitudes exceeding 3,500 m, and to identify correlations between this metric and demographic characteristics (age, sex, and ethnicity). These data were then compared with those generated in the lowland (Shanghai, China) and various global regions.<h4>Methods</h4>20mSRT performance (number of completed laps) and predicted peak oxygen consumption (VO2peak) were used as indicators of CRF. We measured the CRF of 1,717 healthy children and adolescents aged 9-18 years living in Tibet. The CRF data from school-age subjects in Shanghai (2,437 boys and 2,396 girls) and worldwide (1,142,026 students from 50 countries/regions in Africa, Asia, Europe, Latin America, North America, and Oceania) were collated from published papers.<h4>Results</h4>The average CRF of the participants from Tibet was 39.8 mL/kg/min. The male subjects (n = 876; 41.1 ± 4.42 mL/kg/min) had a higher average CRF than their female counterparts (n = 841; 37.8 ± 5.40 mL/kg/min). CRF decreased with age in both sexes at statistical significance (F = 1249.9, p for trend 0.05). The indigenous Tibetans (n = 1289; 40.1 ± 3.71 mL/kg/min) had a significant higher average CRF than those of Han descent (n = 394; 38.9 ± 4.70 mL/kg/min) (p < 0.05).<h4>Conclusions</h4>Children and adolescents aged 7-18 years residing above 3,500 m in Tibet displayed lower CRF traits compared with their counterparts from the plains area and other high altitude places. CRF varied according to age, sex, and ethnic group. Given the importance of CRF in children and adolescents, effective intervention strategies should be implemented to improve CRF in children and adolescents on the plateau.Chaoqun FanRuizhe SunMingjian NieMei WangZhi YaoQiang FengWenfeng XuRunzi YuanZhongfang GaoQiaorui ChengJingjing WangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256258 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chaoqun Fan Ruizhe Sun Mingjian Nie Mei Wang Zhi Yao Qiang Feng Wenfeng Xu Runzi Yuan Zhongfang Gao Qiaorui Cheng Jingjing Wang The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
description	<h4>Background</h4>Cardiorespiratory fitness (CRF) is the core element of health-related physical fitness evaluation. High pressure and low oxygen in Tibet (over 3,500 m above sea level) may negatively impact the residents' CRF. The 20-m shuttle run test (20mSRT) is the most popular field-based assessment and estimate of CRF in children and adolescents worldwide. However, normative CRF data for the children and adolescents residing in China's plateau region are unavailable, which prevents comparability among those living at high-altitudes around the world.<h4>Purpose</h4>To measure the CRF of Chinese children and adolescents aged 9-18 years living in Tibet at altitudes exceeding 3,500 m, and to identify correlations between this metric and demographic characteristics (age, sex, and ethnicity). These data were then compared with those generated in the lowland (Shanghai, China) and various global regions.<h4>Methods</h4>20mSRT performance (number of completed laps) and predicted peak oxygen consumption (VO2peak) were used as indicators of CRF. We measured the CRF of 1,717 healthy children and adolescents aged 9-18 years living in Tibet. The CRF data from school-age subjects in Shanghai (2,437 boys and 2,396 girls) and worldwide (1,142,026 students from 50 countries/regions in Africa, Asia, Europe, Latin America, North America, and Oceania) were collated from published papers.<h4>Results</h4>The average CRF of the participants from Tibet was 39.8 mL/kg/min. The male subjects (n = 876; 41.1 ± 4.42 mL/kg/min) had a higher average CRF than their female counterparts (n = 841; 37.8 ± 5.40 mL/kg/min). CRF decreased with age in both sexes at statistical significance (F = 1249.9, p for trend 0.05). The indigenous Tibetans (n = 1289; 40.1 ± 3.71 mL/kg/min) had a significant higher average CRF than those of Han descent (n = 394; 38.9 ± 4.70 mL/kg/min) (p < 0.05).<h4>Conclusions</h4>Children and adolescents aged 7-18 years residing above 3,500 m in Tibet displayed lower CRF traits compared with their counterparts from the plains area and other high altitude places. CRF varied according to age, sex, and ethnic group. Given the importance of CRF in children and adolescents, effective intervention strategies should be implemented to improve CRF in children and adolescents on the plateau.
format	article
author	Chaoqun Fan Ruizhe Sun Mingjian Nie Mei Wang Zhi Yao Qiang Feng Wenfeng Xu Runzi Yuan Zhongfang Gao Qiaorui Cheng Jingjing Wang
author_facet	Chaoqun Fan Ruizhe Sun Mingjian Nie Mei Wang Zhi Yao Qiang Feng Wenfeng Xu Runzi Yuan Zhongfang Gao Qiaorui Cheng Jingjing Wang
author_sort	Chaoqun Fan
title	The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
title_short	The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
title_full	The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
title_fullStr	The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
title_full_unstemmed	The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.
title_sort	cardiorespiratory fitness of children and adolescents in tibet at altitudes over 3,500 meters.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/415425d9697a4f45933ea3f55ac845e1
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The Cardiorespiratory fitness of children and adolescents in Tibet at altitudes over 3,500 meters.

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