Why the study?
Does prior heavy exercise alter VO2 kinetics and reduce work efficiency during subsequent submaximal exercise in humans?
Population
9 human subjects
Comparison
Prior heavy exercise before cycling at 75% of… vs Cycling at 75% of peak VO2 for 10 min without…
Design
Other
Follow-up
10 minutes of exercise
Authors
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Supports contractility impairment over acidosis in VO2 kinetics; hypothesis-generating for efficiency in exercise interventions.
Does prior heavy exercise alter VO2 kinetics and reduce work efficiency during subsequent submaximal exercise in humans?
Prior heavy exercise eliminates the VO2 slow component and reduces gross efficiency during subsequent submaximal exercise, suggesting these effects are related to impaired contractility rather than progressive acidosis.
Sahlin et al. (2005) studied this question.