McLellan T M, Skinner J S
Can J Appl Sport Sci. 1981 Dec;6(4):197-201.
Results from training studies, whose intensity is usually prescribed relative to VO2max, have shown wide variation in improvement among subjects with similar initial fitness levels. Since aerobic thresholds (AerT) of untrained males range from 35 to 65% VO2max, a large variation in stimulation and improvement may result in persons with different AerT values but similar fitness levels. The use of AerT as a training criterion was studied in 14 secondary males with an initial VO2max less than 47 ml.kg-1 min-1 and AerT values either greater than 55% or less than 45% VO2max. One group trained relative to VO2max (% MAX; N = 8) while the other trained relative to AerT (% AerT; N = 6) on the cycle ergometer 30-45 min.day-1, 3 times week-1 for 8 weeks. Intensity increased from 55 to 65% VO2max for the % MAX group and from 5 to 15% above individual AerT values for the % AerT group. Average intensity for the two groups was identical. Improvements in VO2max (ml.kg-1.min-1) from pre- to post-training were significantly greater for the % AerT group compared to the % MAX group (38.3 to 47.2 and 36.9 to 43.6, respectively). No difference in the variability of response to training was found between groups. There was a significant increase in absolute AerT values but no change was found when expressed relative to VO2max. It was concluded that the use of a training intensity relative to AerT values was as effective as % VO2max in enhancing cardiorespiratory fitness in initially untrained males.
训练研究的结果表明，在初始体能水平相似的受试者中，改善情况存在很大差异，这些研究的训练强度通常是相对于最大摄氧量（VO2max）来规定的。由于未经训练的男性的有氧阈值（AerT）范围为最大摄氧量的35%至65%，对于有氧阈值不同但体能水平相似的人来说，刺激和改善可能会有很大差异。对14名中学男生进行了研究，他们的初始最大摄氧量小于47毫升·千克-1·分钟-1，有氧阈值大于最大摄氧量的55%或小于45%。一组相对于最大摄氧量进行训练（% MAX；N = 8），而另一组相对于有氧阈值进行训练（% AerT；N = 6），在功率自行车上每天训练30 - 45分钟，每周训练3次，共训练8周。% MAX组的强度从最大摄氧量的55%增加到65%，% AerT组的强度从高于个体有氧阈值5%增加到15%。两组的平均强度相同。与% MAX组相比，% AerT组训练前到训练后的最大摄氧量（毫升·千克-1·分钟-1）改善显著更大（分别为38.3至47.2和36.9至43.6）。两组之间在训练反应的变异性方面没有差异。绝对有氧阈值值有显著增加，但相对于最大摄氧量表示时没有变化。得出的结论是，相对于有氧阈值值使用训练强度在提高初始未经训练男性的心肺适能方面与相对于最大摄氧量（% VO2max）一样有效。
