Why the study?
Does acute hypoxia accelerate cortical deoxygenation across prefrontal, premotor, and motor cortices during maximal exercise in healthy volunteers?
Population
23 active, healthy volunteers from the Denver, CO metropolitan area, mean age 29 +/- 8 years.
Comparison
Incremental cycle test to exhaustion during… vs Incremental cycle test to exhaustion during…
Design
Other, Subjects were blinded to chamber pressure.
Authors
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Acute hypoxia may hasten prefrontal deoxygenation during exhaustive exercise; hypothesis-generating for central fatigue mechanisms and clinical relevance.
Does acute hypoxia accelerate cortical deoxygenation across prefrontal, premotor, and motor cortices during maximal exercise in healthy volunteers?
During maximal exercise, deoxygenation occurs across prefrontal, premotor, and motor cortices, and this effect is accelerated by acute hypoxia, which may contribute to the integrative decision to stop exercising.
Subudhi et al. (2009) studied this question.
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