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Exerc Sport Sci Rev. 2001 Oct;29(4):159-63.

The paradox of sympathetic vasoconstriction in exercising skeletal muscle.

Author information

1
Department of Anesthesiology, Medical College of Wisconsin, and Veterans Affairs Medical Center, Milwaukee 53295, USA. jbuckwal@mcw.edu

Abstract

Is there sympathetic vasoconstriction in exercising skeletal muscle? Although convincing evidence exists that demonstrates vasoconstriction in active muscle, the proposition that the sympathetic nervous system constricts skeletal muscle during exercise poses a paradox, given the robust vasodilation that occurs in muscle during exercise. Ultimately, muscle perfusion is a balance between metabolic vasodilation and sympathetic vasoconstriction.

PMID:
11688788
[Indexed for MEDLINE]

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