Table 1. VO response parameters in upright and supine cycling at the same relative intensity. Mean values are (± SD) ( = 9).
|
Upright |
Supine |
VO2 (b) (L·min-1) |
.80 (.13) |
.68 (.08)* |
Ap (L·min-1) |
1.91 (.49) |
1.53 (.33)* |
𝜏p (s) |
23.5 (6.7) |
32.7 (10.7) * |
As (L·min-1) |
.44 (.20) |
.22 (.13) * |
𝜏s (s) |
126.3 (60.7) |
142.5 (101.8) |
As (%) |
19.1 (7.4) |
13.2 (8.1) |
VO (b) is the average value of VO2 during the 3-min warm-up, A and A are the asymptotic amplitudes and 𝜏p and 𝜏s are the time constants of the primary and slow component phases, respectively.* Significantly different from upright cycling (p < 0.05).