Why the study?
How do heart rate and plasma catecholamines respond to varying intensities of exercise in healthy adult males?
Population
7 healthy adult males
Comparison
6-min bouts of cycling exercise at 30, 50, 70… vs Resting values and different exercise intensities
Design
Other
Authors
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May inform graded exercise testing in healthy adults; leaves open validation in patients with cardiovascular disease.
How do heart rate and plasma catecholamines respond to varying intensities of exercise in healthy adult males?
Heart rate regulation during exercise shifts from parasympathetic withdrawal at lower intensities to sympathetic and adrenomedullary activation at higher intensities.
Fujii et al. (1992) studied this question.
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