Why the study?
Does controlled prior hyperventilation alter pulmonary gas exchange dynamics and the estimation of the lactate threshold during incremental exercise in healthy males?
Population
8 healthy males
Comparison
Incremental exercise test on a cycle ergometer… vs Incremental exercise test on a cycle ergometer…
Design
Other
Authors
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Prior hyperventilation may artifactually advance V-slope lactate threshold estimates; leaves open whether standardized pre-test instructions eliminate this bias in CPET protocols.
Does controlled prior hyperventilation alter pulmonary gas exchange dynamics and the estimation of the lactate threshold during incremental exercise in healthy males?
Hyperventilation prior to incremental exercise testing can cause a false early deflection in the V-slope, leading to inaccurate non-invasive estimation of the lactate threshold.
Özçelik et al. (1999) studied this question.
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