Key result
Progressive cycle exercise elicited similar cardiovascular responses in children and adults when adjusted for body surface area, suggesting differences are attributable to smaller heart size.
Why the study?
Do cardiovascular responses to progressive cycle exercise differ between healthy pre-pubertal children and young adults?
Population
30 healthy individuals with similar aerobic aptitude, comprising 14 children and 16 young adults.
Comparison
Progressive cycle test until exhaustion with… vs Comparison between pre-pubertal children and…
Design
Cross-sectional
Authors
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May support size-adjusted norms for pediatric exercise testing; leaves open longitudinal validation in clinical populations.
Cross-Sectional (n=30)
Do cardiovascular responses to progressive cycle exercise differ between healthy pre-pubertal children and young adults?
Differences in absolute cardiovascular responses to exercise between children and adults are primarily driven by body surface area and heart size rather than intrinsic functional differences.
Vinet et al. (2002) conducted a cross-sectional in Healthy (n=30). Progressive cycle exercise vs. Young adults was evaluated on Resting, relative submaximal, and maximal cardiovascular responses (stroke volume and cardiac output). Progressive cycle exercise elicited similar cardiovascular responses in children and adults when adjusted for body surface area, suggesting differences are attributable to smaller heart size.
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