Opposite effects of hyperoxia on mitochondrial and contractile efficiency in human quadriceps muscles

Gwenael Layec , Aurélien Bringard , Yann Le Fur (1) , Jean-Paul Micallef (2) , Christophe Vilmen (1) , Stéphane Perrey (3) , Patrick J. Cozzone (1) , David Bendahan (1)

1 CRMBM - Centre de résonance magnétique biologique et médicale
2 EDM - Laboratoire de recherche Efficience et Déficience Motrices
3 EuroMov - Euromov

Keywords: 31P-magnetic resonance spectroscopy; Adenosine Triphosphate; Adult; Bicycling; crmbm; Electromyography; Energy Metabolism; Exercise; Exercise Tolerance; Female; Humans; Hydrogen-Ion Concentration; Hyperoxia; Isometric Contraction; Lung; Magnetic Resonance Spectroscopy; Male; Mitochondria; Muscle; muscle efficiency; muscle energetics; Muscle Fatigue; Muscle Strength; O2 availability; Oxygen Consumption; Quadriceps Muscle; Time Factors

Domains: Life Sciences [q-bio]; Bioengineering

Gwenael Layec, Aurélien Bringard, Yann Le Fur, Jean-Paul Micallef, Christophe Vilmen, et al.. Opposite effects of hyperoxia on mitochondrial and contractile efficiency in human quadriceps muscles. AJP - Regulatory, Integrative and Comparative Physiology, 2015, 308 (8), pp.R724--733. ⟨10.1152/ajpregu.00461.2014⟩. ⟨hal-01414330⟩