Table 4.
Ve (L/min) | EtCO2 (mmHg) | SpO2 (%) | |
---|---|---|---|
Control trial | |||
Rest | 8.5 ± 0.7 | 36.3 ± 1.3 | 97.8 ± 0.2 |
5% MVC | 8.4 ± 0.7 | 36.3 ± 0.9 | 97.5 ± 0.3 |
15% MVC | 9.3 ± 0.5 | 37.3 ± 0.9 | 98.5 ± 0.7 |
25% MVC | 11.3 ± 0.7 | 37.1 ± 0.9 | 98.3 ± 0.5 |
25% MVC + hypoxia | 26.2 ± 0.2 | 35.8 ± 0.9 | 79.6 ± 0.7 |
Beet juice trial | |||
Rest | 9.0 ± 0.6 | 36.9 ± 0.9 | 97.7 ± 0.3 |
5% MVC | 9.9 ± 0.5a | 36.7 ± 0.9 | 97.6 ± 0.4 |
15% MVC | 10.2 ± 0.5a | 36.7 ± 0.8 | 97.8 ± 0.5 |
25% MVC | 12.6 ± 0.8a | 37.1 ± 0.9 | 97.4 ± 0.4 |
25% MVC + hypoxia | 31.2 ± 3.8a | 36.7 ± 0.7 | 80.0 ± 0.6 |
Control trial | |||
Rest | 9.5 ± 0.9 | 36.1 ± 1.8 | 97.8 ± 0.5 |
5% MVC | 9.5 ± 0.8 | 37.1 ± 1.0 | 97.6 ± 0.9 |
15% MVC | 10.3 ± 0.6 | 37.2 ± 0.9 | 97.5 ± 0.3 |
25% MVC | 11.9 ± 0.7 | 37.1 ± 0.9 | 97.6 ± 0.3 |
25% MVC + hypoxia | 31.1 ± 1.4 | 36.9 ± 0.7 | 79.8 ± 0.2 |
Placebo trial | |||
Rest | 9.8 ± 0.5 | 35.3 ± 1.1 | 97.8 ± 0.5 |
5% MVC | 11.4 ± 0.9 | 35.7 ± 1.0 | 97.5 ± 0.3 |
15% MVC | 11.0 ± 0.5a | 35.9 ± 1.0 | 97.3 ± 0.6 |
25% MVC | 12.9 ± 1.1 | 35.9 ± 0.9 | 97.3 ± 0.7 |
25% MVC + hypoxia | 35.7 ± 1.8a | 36.5 ± 0.8 | 80.4 ± 0.9 |
P < 0.05 versus control condition in respective trial.