The Effect of Training Intensity on VO2max in Young Healthy Adults: A Meta-Regression and Meta-Analysis
The Effect of Training Intensity on VO2max in Young Healthy Adults: A Meta-Regression and Meta-Analysis
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训练强度对年轻健康成年人最大摄氧量的影响：荟萃回归和荟萃分析
DOI：
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发表时间：
2016
影响因子：
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通讯作者：
B. Gurd
中科院分区：
文献类型：
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作者：
T. Scribbans;Stephan P. Vecsey;Paul B. Hankinson;W. S. Foster;B. Gurd
各种强度的运动训练增加最大摄氧量（VO 2 max），这是心血管和全因死亡率的最强预测因子。本研究的目的是对现有文献进行系统回顾、荟萃回归和荟萃分析，以确定年轻健康成人运动强度和训练诱导的最大摄氧量增加之间是否存在剂量-反应关系。28项涉及人类参与者的研究（平均年龄：23±1岁;平均VO 2 max：3.4±0.8 l·min-1）被纳入荟萃回归，运动训练强度、训练剂量、基线VO 2 max和总训练量用作协变量。这些研究还根据强度分为3个三分位数（三分位数1：~60-70%; 2：~80-92.5%; 3：~100-250%VO2max），以便使用单独的荟萃分析进行比较。检查训练强度、训练剂量、基线最大摄氧量和总训练量的固定和随机效应荟萃回归模型无显著性（Q4=1.36; p=0.85; R2=0.05）。尽管随着训练强度的增加，训练剂量和总训练量显著减少（p<0.05），但VO 2 max的平均变化在三分位数之间没有显著差异（三分位数1：+0.29至0.15 l/min，ES（效应量）=0.77; 2：+0.26至0.10 l/min，ES =0.68; 3：+0.35至0.17 l/min，ES=0.80）。这些数据表明，运动训练强度对年轻健康人参与者中训练诱导的最大摄氧量增加的幅度没有影响，但在较高运动强度下的低训练剂量中可以实现类似的适应，而不是较低强度的较高训练剂量（耐力训练）。
Exercise training at a variety of intensities increases maximal oxygen uptake (VO2max), the strongest predictor of cardiovascular and all-cause mortality. The purpose of the present study was to perform a systematic review, meta-regression and meta-analysis of available literature to determine if a dose-response relationship exists between exercise intensity and training-induced increases in VO2max in young healthy adults. Twenty-eight studies involving human participants (Mean age: 23±1 yr; Mean VO2max: 3.4±0.8 l·min−1) were included in the meta-regression with exercise training intensity, session dose, baseline VO2max, and total training volume used as covariates. These studies were also divided into 3 tertiles based on intensity (tertile 1: ~60–70%; 2: ~80–92.5%; 3: ~100–250%VO2max), for comparison using separate meta-analyses. The fixed and random effects meta-regression models examining training intensity, session dose, baseline VO2max and total training volume was non-significant (Q4=1.36; p=0.85; R2=0.05). There was no significant difference between tertiles in mean change in VO2max (tertile 1:+0.29±0.15 l/min, ES (effect size) =0.77; 2:+0.26±0.10 l/min, ES=0.68; 3:+0.35±0.17 l/min, ES=0.80), despite significant (p<0.05) reductions in session dose and total training volume as training intensity increased. These data suggest that exercise training intensity has no effect on the magnitude of training-induced increases in maximal oxygen uptake in young healthy human participants, but similar adaptations can be achieved in low training doses at higher exercise intensities than higher training doses of lower intensity (endurance training).