Intermittent Hypoxic Training Increases and Prolongs Exercise Benefits in Adult Untrained Women.

IF 1.6 4区 医学 Q4 BIOPHYSICS High altitude medicine & biology Pub Date : 2024-05-08 DOI:10.1089/ham.2023.0127
Alba Camacho-Cardenosa, Marta Camacho-Cardenosa, Johannes Burtscher, Pedro R Olivares, Guillermo Olcina, Javier Brazo-Sayavera
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Abstract

Alba Camacho-Cardenosa, Marta Camacho-Cardenosa, Johannes Burtscher, Pedro R. Olivares, Guillermo Olcina, and Javier Brazo-Sayavera. Intermittent hypoxic training increases and prolongs exercise benefits in adult untrained women. High Alt Med Biol. 00:00-00, 2024. Background: Exercising in hypoxia may confer multiple health benefits, but the evidence for specific benefits is scarce. Methods: We investigated effects of intermittent hypoxic training (IHT) on the quality of life and functional fitness of healthy adult women, in a double-blind, randomized, placebo-controlled study. Subjects performed 36 sessions of IHT (experimental group, n = 41; fraction of inspired oxygen [FIO2]: 0.17) or the same training in normoxia (control group, n = 41; FIO2: 0.21). Health-related quality of life, fitness tests, and hemoglobin levels were assessed before (T1), directly after (T2), and 4 weeks after (T3) cessation. Results: At T2, upper body strength (+14.96%), lower body strength (+26.20%), and agility (-4.94%) increased significantly in the experimental group compared to baseline but not in controls. The experimental group improved lower body strength more (by 9.85%) than controls at T2 and performed significantly better in walking (by 2.92%) and upper body strength testing (by 16.03%), and agility (by 4.54%) at T3. Perceived general health and vitality was significantly greater in the experimental group at T2 and T3 compared with T1. None of these improvements were observed in the control group. Conclusions: IHT is a promising strategy to induce long-lasting fitness benefits in healthy adult women.

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间歇性缺氧训练可提高和延长未接受过训练的成年女性的锻炼效果。
阿尔巴-卡马乔-卡登罗萨、玛尔塔-卡马乔-卡登罗萨、约翰内斯-伯茨彻、佩德罗-R-奥利瓦雷斯、吉列尔莫-奥尔西纳和哈维尔-布拉索-萨亚维拉。间歇性缺氧训练可增加和延长未经训练的成年女性的运动受益时间。00:00-00, 2024.背景:在缺氧环境中锻炼可带来多种健康益处,但具体益处的证据却很少。方法:我们在一项双盲、随机、安慰剂对照研究中调查了间歇性缺氧训练(IHT)对健康成年女性的生活质量和功能性健身的影响。受试者进行了 36 次间歇缺氧训练(实验组,n = 41;吸入氧分数 [FIO2]:0.17)或在常氧状态下进行相同训练(对照组,n = 41;吸入氧分数 [FIO2]:0.21)。分别在停止训练前(T1)、直接停止训练后(T2)和停止训练 4 周后(T3)对与健康相关的生活质量、体能测试和血红蛋白水平进行评估。结果显示在 T2 阶段,与基线相比,实验组的上肢力量(+14.96%)、下肢力量(+26.20%)和敏捷性(-4.94%)均有显著提高,而对照组则没有。与对照组相比,实验组在 T2 阶段下半身力量的提高幅度更大(9.85%),在 T3 阶段,实验组在步行(2.92%)、上半身力量测试(16.03%)和敏捷性(4.54%)方面的表现明显更好。与第一阶段相比,实验组在第二阶段和第三阶段的总体健康和活力感知明显提高。而对照组则没有这些改善。结论IHT是一种很有前途的策略,可使健康的成年女性获得持久的健身效果。
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来源期刊
High altitude medicine & biology
High altitude medicine & biology 医学-公共卫生、环境卫生与职业卫生
CiteScore
3.80
自引率
9.50%
发文量
44
审稿时长
>12 weeks
期刊介绍: High Altitude Medicine & Biology is the only peer-reviewed journal covering the medical and biological issues that impact human life at high altitudes. The Journal delivers critical findings on the impact of high altitude on lung and heart disease, appetite and weight loss, pulmonary and cerebral edema, hypertension, dehydration, infertility, and other diseases. It covers the full spectrum of high altitude life sciences from pathology to human and animal ecology.
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