Skeletal muscle ATP turnover by 31P magnetic resonance spectroscopy during moderate and heavy bilateral knee extension.

@article{Cannon2014SkeletalMA,
  title={Skeletal muscle ATP turnover by 31P magnetic resonance spectroscopy during moderate and heavy bilateral knee extension.},
  author={Daniel T Cannon and William E. Bimson and Sophie A Hampson and Thomas Scott Bowen and Scott R. Murgatroyd and Simon Marwood and Graham J. Kemp and Harry B Rossiter},
  journal={The Journal of physiology},
  year={2014},
  volume={592 23},
  pages={5287-300}
}
During constant-power high-intensity exercise, the expected increase in oxygen uptake (V̇O2) is supplemented by a V̇O2 slow component (V̇O2 sc ), reflecting reduced work efficiency, predominantly within the locomotor muscles. The intracellular source of inefficiency is postulated to be an increase in the ATP cost of power production (an increase in P/W). To test this hypothesis, we measured intramuscular ATP turnover with (31)P magnetic resonance spectroscopy (MRS) and whole-body V̇O2 during… CONTINUE READING
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Effects of a prior high-intensity knee-extension exercise on muscle recruitment and energy cost: a combined local and global investigation in humans

  • G Layec, A Bringard, +5 authors D Bendahan
  • Exp Physiol
  • 2009
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