Why the study?
Do cardiovascular responses during submaximal exercise differ between black and white males?
Do cardiovascular responses during submaximal exercise differ between black and white males?
Black males exhibit a significantly lower heart rate at rest and during submaximal exercise compared to matched white males, with a compensatory trend toward higher stroke volume to maintain cardiac output.
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Lower heart rates in black males during submaximal exercise may reflect ethnic physiologic variation; leaves open whether these differences affect clinical outcomes or exercise recommendations.
Berry et al. (1993) studied this question.
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