Table 2. Comparison of VO2 and [HHb] kinetics at the beginning of the exercise. Values are expressed as mean (± SD) ( = 9).
 | 
Upright | 
Supine | 
| VO2 | 
[HHb] | 
VO2 | 
[HHb] | 
| TDp (s) | 
20.5 ± 2.4 | 
14.7 ± 2.9 * | 
19.1 ± 3.8 | 
14.1 ± 2.9 * | 
| 𝜏p (s) | 
23.5 ± 6.7 | 
10.5 ± 5.8 * | 
32.7 ± 10.7 | 
10.0 ± 2.7 * | 
TDp, primary component time delays of [HHb] and VO kinetics; 𝜏p, primary component time constants of [HHb] and VO2 kinetics.* Significantly different to VO values (p < 0.05).