Table 2. Correlation coefficients (r) between ventilatory and lactate thresholds at different times of day.
| Variable |
09:00 h |
14:00 h |
19:00 h |
| Time (sec) |
0.62 |
0.77* |
0.70 |
| HR (b.min-1) |
0.90** |
0.92** |
0.94** |
| VE (L.min-1) |
0.71 |
0.74 |
0.88** |
| RER |
0.59 |
0.69 |
0.56 |
| VO2 ml.min-1) |
0.88** |
0.82* |
0.89** |
| %VO2max |
0.81* |
0.85* |
0.76* |
* p<0.05,** p<0.01.HR= heart rate, VE= minute ventilation, RER= respiratory exchange ratio, %VO= O relative to O max.
