[1]罗雪,陈征辉,何根林,等.热习服训练复合缺氧训练增强耐热能力的研究[J].第三军医大学学报,2019,41(17):1611-1619.
 LUO Xue,CHEN Zhenghui,HE Genlin,et al.Heat acclimation training combined with hypoxia training enhances heat-tolerance ability[J].J Third Mil Med Univ,2019,41(17):1611-1619.
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《第三军医大学学报》[ISSN:1000-5404/CN:51-1095/R]

卷:
41卷
期数:
2019年第17期
页码:
1611-1619
栏目:
军事医学
出版日期:
2019-09-15

文章信息/Info

Title:
Heat acclimation training combined with hypoxia training enhances heat-tolerance ability
作者:
罗雪 陈征辉何根林 谭雨龙 李萍 申婷婷 罗珍 胡彦杨学森
陆军军医大学(第三军医大学):军事预防医学系热带医学教研室,极端环境医学教育部重点实验室,陆军卫勤训练基地
Author(s):
LUO Xue CHEN Zhenghui HE Genlin TAN Yulong LI Ping SHEN Tingting LUO Zhen HU Yan YANG Xuesen

Department of Tropical Medicine, Faculty of Military Preventive Medicine, 2Key Laboratory of Extreme Environmental Medicine of Ministry of Education, 3Medical Training Base, Army Medical University (Third Military Medical University), Chongqing, 400038, China
 

关键词:
热习服缺氧训练心肺功能耐热能力
Keywords:
heat acclimation hypoxia training cardiopulmonary function heat tolerance
分类号:
E251; R339.52; R363.22
文献标志码:
A
摘要:

目的采用经典热习服训练方法复合缺氧训练以探索提升机体耐热能力的有效方法。方法在温度33 ℃以上、湿度大于70%的湿热条件下,以2018年某部队60名经严格筛查的男性健康志愿者为对象,进行为期12 d的热习服训练和测试。60名志愿者分为3组,分别为对照组、热习服组和缺氧训练复合热习服组,每组20名。采集热习服前后耳温、心率、出汗量、心肺功能、综合感受评分、生理紧张指数(physiological strain index,PSI)、最大摄氧量(maximal oxygen uptake, VO2max)、心率为170次/min时的体力工作能力(physical work capacity at heart rate of 170 beats per minute, PWC170)进行耐热能力的评估。结果与对照组相比,热习服组以及缺氧复合热习服组基础耳温、耐热测试后的耳温均显著下降(P<0.05),基础心率以及耐热测试后的心率均显著下降(P<0.05);PSI与呼吸频率也显著降低(P<0.05);出汗量、VO2max、PWC170、最大心输出量、氧耗量/最大心率、最大二氧化碳排出量、最大肺通气量均显著增加(P<0.05)。缺氧复合热习服组在耐热测试后的心率与耳温均低于热习服组(P<0.05),并且PSI与呼吸频率也出现显著降低(P<0.05)。与热习服组相比,缺氧复合热习服组的出汗量、VO2max、PWC170、最大心输出量、氧耗量/最大心率、最大二氧化碳排出量、最大肺通气量均显著增加(P<0.05)。结论在经典热习服训练基础上增加耐缺氧训练,能更有效地促进热习服的形成。

Abstract:

ObjectiveTo explore an effective method to improve the heat resistance of the body by combining classic heat acclimation and hypoxia training. MethodsIn 2018, a total of 60 healthy male volunteers who were strictly screened from a troop were recruited in this study. They were equally divided into control group, heat acclimation group, and hypoxia training combined heat acclimation group. Then they were trained for 12 d under a  damp heat condition (temperature >33 ℃ and humidity >70%). Their ear temperature, heart rate, sweating amount, cardiopulmonary function, comprehensive feeling scores, physiological strain index (PSI), maximal oxygen uptake (VO2max), and physical work capacity at heart rate of 170 beats per minute (PWC170) were tested and evaluated before and after heat acclimation. ResultsCompared with the control group, the heat acclimation group and the combination group had significantly lower basic ear temperature and the ear temperature after heat test (P<0.05), decreased basic and post-test heart rate (P<0.05), and reduced PSI and respiratory rate (P<0.05), but increased sweating amount, VO2max, PWC170, maximum cardiac output, oxygen consumption/maximal heart rate, maximum CO2 emission, and maximum lung ventilation (P<0.05). What’s more, the heart rate and ear temperature after heat test were obviously lower in the combination group than the heat acclimation group (P<0.05), so were PSI and respiratory rate (P<0.05). But the former group had notably higher sweating amount, VO2max, PWC170, maximum cardiac output, oxygen consumption/maximal heart rate, maximum CO2 emission, and maximum lung ventilation than the latter group (P<0.05). ConclusionBased on the classic heat acclimation, combination of hypoxia training can promote heat acclimation more effectively.

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更新日期/Last Update: 2019-09-09