Table 2.
Metabolic parameters during low and high intensity exercise
| Light exercise | Heavy exercise | |||||||
|---|---|---|---|---|---|---|---|---|
| ArgArg | ArgGly | GlyGly | P-ANOVA | ArgArg | ArgGly | GlyGly | P-ANOVA | |
| n | 16 | 17 | 31 | 16 | 17 | 31 | ||
| V̇O2 | 18 ± 3 | 18 ± 3 | 17 ± 3 | > 0.05 | 29 ± 6 | 29 ± 8 | 29 ± 5 | > 0.05 |
| (ml kg−1 min−1) | (54%) | (53%) | (53%) | (90%) | (90%) | (88%) | ||
| HR | 126 ± 14 | 132 ± 15 | 127 ± 7 | > 0.05 | 178 ± 12 | 182 ± 10 | 174 ± 9 | > 0.05 |
| (beats min−1) | (68%) | (70%) | (69%) | (95%) | (96%) | (94%) | ||
| RER | 0.89 ± 0.07 | 0.91 ± 0.05 | 0.90 ± 0.04 | > 0.05 | 1.05 ± 0.05 | 1.06 ± 0.05 | 1.02 ± 0.05 | > 0.05 |
Values are means ±s.d., value (%peak)). V̇O2peak, peak oxygen uptake (percent of peak based on maximal exercise test); HR, heart rate (percent of peak based on maximal exercise test); RER, respiratory exchange ratio.