TABLE 3

Indirect calorimetry and metabolite responses to day 2 hyperinsulinemic hypoglycemia after no prior stress (CON) or exercise of 30 (ANTE EX30) or 50% (ANTE EX50) Vo2max

CON
ANTE EX30
ANTE EX50
BasalFinal 30 minBasalFinal 30 minBasalFinal 30 min
Fat disposal (mg · kg−1 · min−1)0.7 ± 0.10.8 ± 0.1*0.7 ± 0.10.4 ± 0.20.7 ± 0.20.4 ± 0.1
Oxidative glucose disposal (mg · kg−1 · min−1)1.4 ± 0.21.1 ± 0.2*0.8 ± 0.31.9 ± 0.40.9 ± 0.32.0 ± 0.3
Nonxidative glucose disposal (mg · kg−1 · min−1)0.5 ± 0.31.0 ± 0.31.0 ± 0.31.2 ± 0.51.0 ± 0.31.6 ± 0.4
Lactate (mmol/l)0.7 ± 0.10.9 ± 0.10.6 ± 0.11.0 ± 0.10.6 ± 0.11.1 ± 0.2
β-Hydroxybutyrate (mmol/l)0.08 ± 0.020.07 ± 0.020.10 ± 0.020.04 ± 0.020.13 ± 0.030.05 ± 0.02
Alanine (mmol/l)0.27 ± 0.020.22 ± 0.010.28 ± 0.030.23 ± 0.010.31 ± 0.060.28 ± 0.03
  • Data are means ± SD.

  • *

    * P < 0.05 vs. final 30-min periods in both ANTE EX30 and EX50.