Intersubject differences in the effect of acidosis on phosphocreatine recovery kinetics in muscle after exercise are due to differences in proton efflux rates

• Published in: American Journal of Physiology: Cell Physiology Vol. 293; no. 1; pp. C228 - C237
• Main Authors: van den Broek, Nicole M. A, De Feyter, Henk M. M. L, Graaf, Larry de, Nicolay, Klaas, Prompers, Jeanine J
• Format: Journal Article
• Language: English
• Published: United States American Physiological Society 01.07.2007
• Subjects: Acidosis - metabolism; Acidosis - physiopathology; Adenosine Diphosphate - metabolism; Adult; Cellular biology; Correlation analysis; Cytoplasm - metabolism; Exercise; Female; Humans; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy - methods; Male; Mitochondria, Muscle - metabolism; Models, Biological; Muscle Contraction; Musculoskeletal system; NMR; Nuclear magnetic resonance; Phosphocreatine - metabolism; Phosphorus Isotopes; Protons; Quadriceps Muscle - metabolism; Recovery of Function; Reproducibility of Results

Biomedical NMR, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands Submitted 18 January 2007 ; accepted in final form 21 March 2007 31 P magnetic resonance spectroscopy provides the possibility of obtaining bioenergetic data during skeletal muscle ex...