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Vascular control of nutrient delivery by flow distribution within muscle: implications for exercise and post-exercise muscle metabolism
journal contributionposted on 2023-05-16, 11:31 authored by Michael ClarkMichael Clark, Stephen RattiganStephen Rattigan, Newman, JMB, Eldershaw, TPD
There is evidence for non-nutritive flow routes within, or associated with, skeletal muscle. Large capillary-like structures are possible candidates. The proportion of flow distributed between nutritive and non-nutritive routes appears to be tightly regulated and can control muscle metabolism and contraction by regulating delivery and product removal. The portion of flow that is carried by the non-nutritive routes at rest affords a flow reserve for amplifying nutrient delivery as muscle begins to work and may determine post-exercise metabolism. Inappropriate signals, however, may diminish nutritive flow to the detriment of muscle performance and post-exercise recovery. New technologies should allow the identification of the non-nutritive routes.
Publication titleInternational Journal of Sports Medicine
Department/SchoolTasmanian School of Medicine
PublisherThieme Medical Publishers Inc
Place of publicationGermany