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Table 2 VO 2 , VCO 2 , RER, HR, and RPE during 1 h exercise trials in the heat, with and without CHO

From: Skeletal muscle metabolic gene response to carbohydrate feeding during exercise in the heat

  Placebo CHO
  4 min 24 min 54 min 4 min 24 min 54 min
VO 2 (L · min -1 ) 2.91 ± 0.10 3.21 ± 0.15 3.63 ± 0.19* 3.01 ± 0.16 3.25 ± 0.16 3.52 ± 0.22*
VCO 2 (L · min -1 ) 2.64 ± 0.07 2.79 ± 0.12 3.11 ± 0.17* 2.72 ± 0.13 2.87 ± 0.15 3.10 ± 0.19*
RER 0.91 ± 0.01 0.87 ± 0.01 0.86 ± 0.01 0.90 ± 0.01 0.88 ± 0.01 0.88 ± 0.01
HR (beats · min -1 ) 138.5 ± 6.7 158.9 ± 5.4 172.6 ± 4.9* 151.4 ± 5.9 162.0 ± 5.4 173.1 ± 4.4*
RPE 12.6 ± 0.3 15.0 ± 0.5 17.8 ± 0.6* 12.4 ± 0.5 15.1 ± 0.5 17.9 ± 0.4*
  1. *p < 0.05 main effect of time; p < 0.05 main effect of trial X time.
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