Cardiovascular consequences of exercise hyperpnea.

  title={Cardiovascular consequences of exercise hyperpnea.},
  author={C A Harms and Jerome A. Dempsey},
  journal={Exercise and sport sciences reviews},
In summary, evidence shows that the respiratory muscles demand a significant portion of the cardiac output during maximal exercise. Estimates of both animal and human blood flow and VO2 to the respiratory muscles during maximal exercise approximate 14-16% of the total cardiac output and VO2. During heavy exercise, this metabolic demand of the respiratory muscles affects the distribution of cardiac output between the respiratory muscles and the legs such that leg vascular conductance and blood… CONTINUE READING


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