Evidence for potentiation in sympathetic neurovascular transduction following exercise in normotensive adults

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Abstract
Following cycling exercise, leg vascular conductance increases, whereas sympathetic nerve traffic is unchanged in young healthy adults. Discordant vascular and sympathetic responses may reflect modulation in vasoconstrictor responsiveness. The current study demonstrated that signal-averaged sympathetic neurovascular transduction was increased by ∼75% following a single bout of cycling exercise. Secondary experiments using local heating suggest that potentiation in sympathetic neurovascular transduction after exercise may occur independent of changes in resting vascular conductance.
Funding Information
  • Canadian Government | Natural Sciences and Engineering Research Council of Canada
  • MDECEC | Ontario Ministry of Research and Innovation
  • Ministry of Economic Development, Job Creation and Trade
  • Canadian Government | Canadian Institutes of Health Research
  • Ontario Graduate Scholarship
  • Canada Foundation for Innovation

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