Why the study?
How do age, sex, and body size influence cardiac output during submaximal exercise?
Population
85 Japanese subjects, from 10 to 55 years of age
Comparison
Submaximal exercise vs Comparisons between different age and sex groups
Design
Cross-sectional
Authors
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Body size adjustment may refine cardiac output interpretation during submaximal exercise; hypothesis-generating for age- and sex-specific reference values.
How do age, sex, and body size influence cardiac output during submaximal exercise?
Body size significantly influences cardiac output during submaximal exercise, explaining differences between sexes and age groups, though older adult males have comparatively lower cardiac output for their body size.
Tetsuo Katsuura (1986) studied this question.
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