Why the study?
Do prepubertal boys have different cardiac hemodynamic responses to maximal upright cycle exercise compared to adult men when adjusted for body size?
Population
31 healthy males, comprising 15 boys (mean age 10.9 years) and 16 men (mean age 30.7 years).
Comparison
Maximal upright cycle exercise vs Adult men (for the boys group)
Design
Cross-sectional
Authors
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Comparable size-adjusted hemodynamics in boys and men; leaves open whether maturation alters cardiac reserve and requires longitudinal confirmation.
Do prepubertal boys have different cardiac hemodynamic responses to maximal upright cycle exercise compared to adult men when adjusted for body size?
When adjusted for body size, prepubertal boys demonstrate similar cardiac hemodynamic responses to maximal exercise as adult men, suggesting no age-related impairment in myocardial function.
Rowland et al. (1997) studied this question.
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