Table 1.
Resting arterial saturation, heart rate and neuromuscular measures in all sessions
| Normoxia | Acute hypoxia | Chronic hypoxia | |
|---|---|---|---|
| SpO2 (%) | 97.5 ± 0.9 | 75.5 ± 3.1† | 86.1 ± 3.1* |
| HR (beats min–1) | 64.4 ± 15.6 | 74.3 ± 14.3 | 67.8 ± 13.7 |
| TOI (%) | 66.7 ± 6.9 | 50.2 ± 11.0* | 56.5 ± 7.8* |
| MVC torque (N·m) | 73.4 ± 10.3 | 69.8 ± 7.8# | 75.9 ± 6.8 |
| cVA (%) | 95.4 ± 4.6 | 91.9 ± 4.6† | 94.9 ± 3.3 |
| ERT (N·m) | 15.1 ± 4.0 | 13.8 ± 3.4 | 13.9 ± 4.0 |
| ERT (% MVC) | 20.7 ± 4.3 | 20.0 ± 5.4 | 18.2 ± 4.8 |
| M max amplitude (mV) | 27.2 ± 6.8 | 29.2 ± 8.6# | 20.2 ± 4.7* |
| CMEP (% M max) | 32.6 ± 6.1 | 32.6 ± 4.1 | 34.9 ± 6.0 |
Values are the mean ± SD. † P < 0.05 different vs. normoxia and chronic hypoxia. * P < 0.05 different vs. normoxia. # P < 0.05 different vs. chronic hypoxia.