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首页> 外文期刊>International Journal of Exercise Science >The Predictability of Peak Oxygen Consumption Using Submaximal Ratings of Perceived Exertion in Adolescents
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The Predictability of Peak Oxygen Consumption Using Submaximal Ratings of Perceived Exertion in Adolescents

机译：使用亚最大感知力的青少年估计最大峰值耗氧量的可预测性

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International Journal of Exercise Science 11(4): 1173-1183, 2018. Rating of perceived exertion (RPE) extrapolation involves mathematically extending the submaximal relationship between RPE and oxygen consumption (VO2) to maximal intensity. This technique allows practitioners to forego, potentially dangerous, maximal exertion testing while attaining accurate measures of maximal oxygen consumption used for exercise prescription. This method has been proven accurate in adults, but much less in known when applied to an adolescent population. The purpose of this study was to assess the accuracy of the RPE extrapolation as method for estimating VO2max in adolescents. Twenty-two healthy, asymptomatic adolescents performed a graded exercise test (GXT) to exhaustion. Heart rate and VO2 were recorded throughout the bout with RPE being queried every two minutes using the Borg (6-20) RPE scale. Individual regression lines were fitted for each subject using RPE and VO2 for RPE values up to 13,15, and 17. Theoretical maximal RPE values of 20 and 19 were entered into the equation to calculate an estimated VO2max. Repeated measures ANOVA with planned contrasts showed that all VO2max estimation methods significantly overpredicted measured VO2max (p .001). Error analysis via Bland-Altman plots revealed large limits of agreement between the all methods, indicating large variability in error between estimated and measured VO2max. The results suggest that submaximal RPE values using the Borg scale cannot be used to predict VO2max in children due to the amount of error in the prediction equations. These inaccuracies could lead to potential under or over-prescription of exercise intensity and adverse effects on the person’s health.
机译：国际运动科学杂志11（4）：1173-1183，2018.感知劳累（RPE）外推法的分级涉及将RPE和耗氧量（VO2）之间的次最大关系数学上扩展到最大强度。该技术使医生可以放弃潜在的危险最大运动量测试，同时获得用于运动处方的最大氧气消耗量的准确测量值。已经证明该方法在成人中是准确的，但是在应用于青春期人群时却鲜为人知。这项研究的目的是评估RPE外推法作为估计青少年最大摄氧量的方法的准确性。 22名健康，无症状的青少年进行了分级运动测试（GXT）力竭。在整个回合中记录心率和VO2，并使用Borg（6-20）RPE量表每两分钟查询一次RPE。使用RPE和VO2为每个受试者拟合单独的回归线，以得到高达13,15和17的RPE值。将理论上的最大RPE值20和19输入方程式以计算估计的VO2max。重复测量的方差分析与计划的对比表明，所有VO2max估计方法均显着高估了测得的VO2max（p <.001）。通过Bland-Altman图进行的误差分析显示，所有方法之间的一致性都存在较大的局限性，这表明估算的和测量的VO2max之间的误差存在较大差异。结果表明，由于预测方程中的误差量，使用博格量表的次最大RPE值不能用于预测儿童的VO2max。这些不正确之处可能导致运动强度潜在的低估或过度处方以及对人的健康的不利影响。

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