Journal ArticleDOI
Kinetics and mechanism of oxygen debt contraction in man
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Oxygen consumption, along with lactic and pyruvic acid in blood, have been measured throughout the performance of heavy muscular exercise of different intensities, all leading to exhaustion in 1–10 minutes.Abstract:
Oxygen consumption, along with lactic and pyruvic acid in blood, have been measured throughout the performance of heavy muscular exercise of different intensities, all leading to exhaustion in 1–10...read more
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Journal ArticleDOI
Detecting the threshold of anaerobic metabolism in cardiac patients during exercise
TL;DR: The method described uses end-tidal gas concentrations to calculate R while the exercise test is taking place, and provides an objective measurement of one of the factors influencing exercise tolerance.
Journal ArticleDOI
Interaction of physiological mechanisms during exercise.
TL;DR: The effects of work intensity and duration on the metabolic circulatory and ventilatory response to exercise are quantitated in healthy male subjects during cycle ergometer exercise and there is a wellordered relationship between work rate and oxidatve energy sources.
Journal ArticleDOI
Effects of beta-adrenergic blockade on the cardiac response to maximal and submaximal exercise in man.
TL;DR: It is quite unknown to what extent conclusions based on studies in the dog can be applied to exercising man, and some groups ascribing little, if any, importance to the sympathetic system in the over-all performance of the heart, whereas others believe that the sympathetic nerves do play a major role.
OtherDOI
Oxygen Uptake Kinetics
David C. Poole,Andrew M. Jones +1 more
TL;DR: Greater understanding of VO2 kinetics control and, in particular, its relation to the plasticity of the O2-transport/utilization system is considered important for improving the human condition, not just in athletic populations, but crucially for patients suffering from pathologically slowed VO2Kinetics as well as the burgeoning elderly population.
Journal ArticleDOI
Bruce treadmill test in children: normal values in a clinic population.
TL;DR: The Bruce treadmill protocol is suitable for children as young as age 4 years, and Maximal endurance time may be used as the sole criterion of exercise capacity, and normal values were established with 327 children having an innocent heart murmur.