The Paradox of Sympathetic Vasoconstriction in Exercising Skeletal Muscle

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Abstract
BUCKWALTER, J.B., and P.S. CLIFFORD. The paradox of sympathetic vasoconstriction in exercising skeletal muscle. Exerc. Sport Sci. Rev., Vol. 29, No. 4, pp. 159–163, 2001. 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.