FACTORS DETERMINING MAXIMAL EXERCISE PERFORMANCE IN MAN

我们最近在184例非耐力训练的非 来自BLSA的肥胖男性和女性，最大运动量正常 心电图显示与年龄相关的最大摄氧量明显下降。 对总肌肉质量进行最大摄氧量归一化后的衰减 而不是体重。这些结果表明一个重要的作用 与年龄相关的外周(与中枢循环)因子的关系 最大有氧能力的降低。 一个密切相关的问题是，记录良好的标记是否 老年耐力运动员最大耗氧量(VO2 Max)的增加 受过训练的男性相对于年龄匹配的同龄人是中介的 主要是通过中枢而不是外周适应。我们表演了 高峰期放射性核素脑室造影术和VO2测量 8次耐力训练(平均年龄65岁)的立式自行车测功法 正负5年，跑步机VO2 max=51正负4毫升/公斤，分钟) 男人。

We have recently demonstrated in 184 non endurance trained non obese men and women from the BLSA with normal maximal exercise ECG's that the age-associated decline in VO2 max was markedly attenuated after VO2 max was normalized for total muscle mass instead of body weight. These results suggested an important role of peripheral (vs central circulatory) factors in the age-related reduction of maximal aerobic performance. A closely related issue is whether the well documented marked increase in maximal oxygen-consumption (VO2 max) of older endurance trained men relative to that of age-matched peers is mediated primarily by central versus peripheral adaptations. We performed radionuclide ventriculography and VO2 measurements during maximal upright bicycle ergometry in 8 endurance trained (mean age = 65 plus/minus 5 yr, treadmill VO2 max = 51 plus/minus 4 ml/kg, min) men.