Muscle mass and inspired oxygen influence oxygen extraction at maximal exercise: Role of mitochondrial oxygen affinity.

Daniele A CardinaleF J LarsenM Jensen-UrstadE RullmanH SøndergaardD Morales-AlamoB EkblomJ A L CalbetR Boushel

Published in: Acta physiologica (Oxford, England) (2018)

O2 extraction varies with mitochondrial respiration rate, p50mito and O2 delivery. Mitochondrial excess capacity maintains a low p50mito which enhances O2 diffusion from microvessels to mitochondria during exercise.

Keyphrases

oxidative stress
resistance training
high intensity
physical activity
endoplasmic reticulum