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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Practical markers of the transition from aerobic to anaerobic metabolism during exercise: rationale and a case for affect-based exercise prescription.
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Practical markers of the transition from aerobic to anaerobic metabolism during exercise: rationale and a case for affect-based exercise prescription.

机译：运动过程中从有氧代谢到无氧代谢转变的实用标志：原理和基于情感的运动处方的案例。

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BACKGROUND: The high rates of dropout from exercise programs may be attributed in part to the poor ability of most individuals to accurately self-monitor and self-regulate their exercise intensity. The point of transition from aerobic to anaerobic metabolism may be an appropriate level of exercise training intensity as it appears to be effective and safe for a variety of populations. Possible practical markers of this event were compared. METHODS: Two samples of 30 young and healthy volunteers each participated in incremental treadmill tests until volitional exhaustion. The ventilatory threshold, a noninvasive estimate of the aerobic-anaerobic transition, was identified from gas exchange data. Heart rate, self-ratings of affective valence (pleasure-displeasure), perceived activation, and perceived exertion were recorded every minute. RESULTS: In both samples, heart rate, perceived activation, and perceived exertion rose continuously, whereas the ratings of affective valence showed a pattern of quadratic decline, initiated once the ventilatory threshold was exceeded. CONCLUSIONS: Exercise intensity that exceeds the point of transition from aerobic to anaerobic metabolism is accompanied by a quadratic decline in affective valence. This marker may be useful in aiding exercisers to recognize the transition to anaerobic metabolism and, thus, more effectively self-monitor and self-regulate the intensity of their efforts.
机译：背景：运动计划中高辍学率的部分原因可能是大多数个人准确自我监控和自我调节运动强度的能力较弱。从有氧代谢到无氧代谢的转变点可能是适当水平的运动训练强度，因为它对于各种人群似乎都是有效和安全的。比较了该事件的可能实用标记。方法：30名年轻和健康志愿者的两个样本各参加了递增式跑步机测试，直到身体疲劳为止。通气阈值是有氧-无氧转化的无创估计，已从气体交换数据中确定。每分钟记录一次心率，情感价的自我评价（愉悦-不愉悦），感知的激活和感知的劳累。结果：在这两个样本中，心率，感知的激活和感知的劳累持续上升，而情感价数的显示呈二次下降的模式，一旦超过通气阈值即开始。结论：运动强度超过从有氧代谢到无氧代谢的过渡点时，情感价会随之下降。该标志物可能有助于训练者认识到无氧代谢的转变，从而更有效地自我监控和自我调节其努力的强度。

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