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Article
A high blood lactate induced by heavy exercise does not affect the increase in submaximal \(\dot V{\text{O}}_2 \) with hyperoxia
Few studies evidenced an enhancement in oxygen uptake \(\left( {\dot V{\text{O}}_2 } \right)\) d...
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Article
Effects of moderate hyperoxia on oxygen consumption during submaximal and maximal exercise
The present study examined the effect of hyperoxia on oxygen uptake (V˙O2) and on maximal oxygen uptake (V˙O2max) during incremental exercise (IE) and constant work rate exercise (CWRE). Ten subjects performed I...
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Article
Analysis of end-tidal and arterial PCO2 gradients using a breathing model
The aim of this paper was to analyse the difference between end-tidal carbon dioxide tension (P ETCO2) and arterial carbon dioxide tension (P aCO2) at rest and during exercise using a homogeneous lung model that...
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Article
A system to simulate gas exchange in humans to control quality of metabolic measurements
We have developed a gas exchange simulation system (GESS) to assess the quality control in measurements of metabolic gas exchange. The GESS simulates human breathing from rest to maximal exercise. It approxim...
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Article
Effects of training on iron status in cross-country skiers
Haematological changes were studied in cross-country skiers during a 33-week training season (7 h a week). The daily amounts of training were calculated from the duration and the intensity of the exercise and ...
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Article
Hormonal adaptations and modelled responses in elite weightlifters during 6 weeks of training
The concentrations of serum testosterone, sex-hormone-binding-globulin (SHBG) and luteinizing hormone (LH) were examined throughout 1-year of training in six elite weightlifters. A systems model, providing an ...
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Article
A systems model of training responses and its relationship to hormonal responses in elite weight-lifters
A systems model, providing an estimation of fatigue and fitness levels was applied to a 1-year training period of six elite weight-lifters. The model parameters were individually determined by fitting the pred...