Substrate utilization in leg muscle of men after heat acclimation.

  title={Substrate utilization in leg muscle of men after heat acclimation.},
  author={John P. Kirwan and David L. Costill and H. P. Kuipers and M J Burrell and William J. Fink and John E. Kovaleski and Roger A Fielding},
  journal={Journal of applied physiology},
  volume={63 1},
Eight men were heat acclimated (39.6 degrees C and 29.2% rh) for 8 days to examine changes in substrate utilization. A heat exercise test (HET), (cycling for 60 min; 50% maximal O2 consumption) was performed before (UN-HET) and after (ACC-HET) the acclimation period. Muscle glycogen utilization (67.0 vs. 37.6 mmol/kg wet wt), respiratory exchange ratio (0.85 +/- 0.002 vs. 0.83 +/- 0.001), and calculated rate of carbohydrate oxidation (75.15 +/- 1.38 vs. 64.80 +/- 1.52 g/h) were significantly… 

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