Table 3.
Plasma metabolite concentrations in response to 20 min of cycle exercise at 65% V̇O2peak during CHO loading
Glucose, mg/dl | Lactate, mM | FFA, μM | Triglycerides, mg/dl | |
---|---|---|---|---|
D | ||||
Fasted baseline | 84.4 ± 2.4 | 1.2 ± 0.1 | 261 ± 25 | 111 ± 15 |
Preexercise | 86.8 ± 4.7 | 2.0 ± 0.2 | 152 ± 14* | 130 ± 14 |
Postexercise | 71.4 ± 7.1 | 4.2 ± 0.6† | 168 ± 11* | 168 ± 18 |
ND | ||||
Fasted baseline | 89.4 ± 2.3 | 1.1 ± 0.1 | 235 ± 19 | 145 ± 24 |
Preexercise | 101.4 ± 9.5 | 2.2 ± 0.2 | 174 ± 18* | 156 ± 25 |
Postexercise | 81.6 ± 2.6 | 4.0 ± 0.5† | 152 ± 23* | 179 ± 26 |
Values are means ± SE of 15 subjects in depletion (D) protocol and 10 subjects in nondepletion (ND) protocol. V̇O2 peak, peak oxygen uptake; CHO, carbohydrate.
P < 0.05
P < 0.01 vs. preexercise.