Why the study?
Does breathing 40% O2 during static forearm contraction or recovery attenuate postcontraction hyperaemia or muscle fatigue in young male subjects?
Does breathing 40% O2 during static forearm contraction or recovery attenuate postcontraction hyperaemia or muscle fatigue in young male subjects?
Breathing 40% O2 during static muscle contraction attenuates postcontraction hyperaemia, while breathing it during recovery improves recovery from fatigue, suggesting different O2-dependent mechanisms for hyperaemia and fatigue.
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Hyperoxia timing should not yet influence clinical oxygen protocols; leaves open distinct O2-sensitive mechanisms for hyperaemia versus fatigue.
Fordy et al. (2011) studied this question.
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