Why the study?
Does superimposed heat stress alter the relationship between heart rate and log norepinephrine concentration during graded exercise in normal young men?
Population
6 normal young men
Comparison
Graded exercise with superimposed heat stress vs Graded exercise with skin temperature kept low…
Design
Other
Authors
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Does not alter heart rate as a sympathetic activity proxy during heated exercise; leaves open extension to patients or therapeutic contexts.
Does superimposed heat stress alter the relationship between heart rate and log norepinephrine concentration during graded exercise in normal young men?
Heat stress during exercise increases sympathetic neural activity proportionally to heart rate without stimulating additional adrenal release of epinephrine.
Rowell et al. (1987) studied this question.
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