Mean (SD) oxygen uptake (V˙o 2), carbon dioxide output (V˙co 2), ventilation (V˙e) and heart rate (HR) at peak exercise (final 30 s of 8% gradient) and differences in the variability at moderate (M; 0% gradient, 73% of V˙o 2peak) and high (H;V˙o 2peak) intensity exercise (n = 33)
|
V˙o
2
(ml/min) |
V˙co
2
(ml/min) |
V˙e
(l/min) | HR (beats/min) | |
| Peak exercise | ||||
| Mean (SD) | 3072 (52) | 3307 (74) | 101.1 (3.1) | 172 (3) |
| Coefficient of variation | 1.7% | 2.2% | 3.1% | 1.7% |
| Variability (H vs M) | ||||
| Mean difference | 14.7 | −16.8 | −0.8 | −0.7 |
| 95% CI | −17.6 to 47.0 | −52.6 to 19.0 | −1.8 to 0.2 | −2.3 to 0.9 |
| p value | 0.36 | 0.36 | 0.11 | 0.38 |