Why the study?
Does advancing age alter sympathetic vasoconstrictor responsiveness in exercising skeletal muscle in healthy men?
Population
20 healthy non-endurance-trained men, comprising 13 younger and 7 older individuals.
Comparison
Acute sympathetic stimulation via cold pressor… vs Younger men compared to older men.
Design
Cross-sectional
Authors
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Augmented sympathetic vasoconstriction during exercise in older men; hypothesis-generating and should not yet change practice.
Does advancing age alter sympathetic vasoconstrictor responsiveness in exercising skeletal muscle in healthy men?
In contrast to resting muscle, sympathetic vasoconstrictor responsiveness is augmented, not reduced, in the exercising skeletal muscle of healthy older men.
Koch et al. (2003) studied this question.
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