Why the study?
Does ATP infusion alter oxygen delivery and demand matching during maximal exercise at high altitude in male subjects?
Does ATP infusion alter oxygen delivery and demand matching during maximal exercise at high altitude in male subjects?
At high altitude, some degree of vasoconstriction is necessary to match oxygen delivery with demand during maximal exercise, as overriding it with ATP infusion impairs oxygen extraction.
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Overriding vasoconstriction with ATP impairs oxygen extraction during maximal exercise at altitude; supports necessity of vasoconstriction for delivery-demand matching but remains hypothesis-generating.
Lundby et al. (2007) studied this question.
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