Exercise in a hot environment: the skin circulation.

  title={Exercise in a hot environment: the skin circulation.},
  author={John M. Johnson},
  journal={Scandinavian journal of medicine & science in sports},
  volume={20 Suppl 3},
The combined metabolic and thermoregulatory demands of exercise in the heat place an exceptional burden on the circulation, more than can be met through cardiac output and blood flow redistribution. Blood flow to muscle is not reduced by heat stress in exercise and cardiac output is insufficient to meet competing demands from skin and muscle. Skin blood flow during exercise in the heat is limited in several ways. Dynamic exercise causes a cutaneous vasoconstriction at exercise onset through… CONTINUE READING
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