Muscle metabolism and activation heterogeneity by combined 31P chemical shift and T2 imaging, and pulmonary O2 uptake during incremental knee-extensor exercise

The integration of skeletal muscle substrate depletion, metabolite accumulation, and fatigue during large muscle-mass exercise is not well understood. Measurement of intramuscular energy store degradation and metabolite accumulation is confounded by muscle heterogeneity. Therefore, to characterize r...

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Veröffentlicht in:	Journal of applied physiology (1985) 2013-09, Vol.115 (6), p.839-849
Hauptverfasser:	Cannon, Daniel T, Howe, Franklyn A, Whipp, Brian J, Ward, Susan A, McIntyre, Dominick J, Ladroue, Christophe, Griffiths, John R, Kemp, Graham J, Rossiter, Harry B
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Exercise - physiology Exercise Test - methods Humans Hydrogen-Ion Concentration Kinetics Knee Magnetic Resonance Spectroscopy Male Muscle, Skeletal - metabolism Oxygen - physiology Oxygen Consumption Phosphocreatine - metabolism Phosphorus - metabolism Quadriceps Muscle - metabolism Young Adult
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