Economy of running: beyond the measurement of oxygen uptake.

  title={Economy of running: beyond the measurement of oxygen uptake.},
  author={Jared R Fletcher and Shane P. Esau and Brian MacIntosh},
  journal={Journal of applied physiology},
  volume={107 6},
The purpose of this study was to compare running economy across three submaximal speeds expressed as both oxygen cost (mlxkg(-1)xkm(-1)) and the energy required to cover a given distance (kcalxkg(-1)xkm(-1)) in a group of trained male distance runners. It was hypothesized that expressing running economy in terms of caloric unit cost would be more sensitive to changes in speed than oxygen cost by accounting for differences associated with substrate utilization. Sixteen highly trained male… CONTINUE READING
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