Table 2. Gas exchange and breathing pattern parameters at rest and maximal exercise in cyclist subjects. Value are reported as mean (±SD).
|
Rest |
Maximal exercise |
VO2 (ml.kg-1.min-1) |
6.2 (.9) |
56.7 (8.6) |
VCO2 (ml.min-1) |
372(87) |
4839(483) |
VE (l.min-1) |
12.7 (2.6) |
151.2 (19.0) |
VT (ml) |
1004(117) |
3290(220) |
P0.1 (cmH2O) |
1.3 (.2) |
27.8 (7.0) |
TI/TTOT |
.41 (.02) |
.47 (.04) |
VT/TI (l.s-1) |
.4 (.1) |
5.39 (1.0) |
f (bpm) |
12(3) |
48(10) |
VO
2 = oxygen uptake; VCO
2 = carbon dioxide output; VE = minute ventilation; VT = tidal volume; P0.1 = occlusion pressure; TI/TTOT = mean inspiratory time to total time of the respiratory cycle; VT/TI = mean inspiratory flow and f = respiratory frequency.