Table 1. Measured parameters in normoxia and hypoxia. Data are mean (±SD).
|
rest |
LTP1 |
LTP2 |
Pmax |
| N |
H |
N |
H |
N |
H |
N |
H |
| P (W) |
0 (00) |
0 (00) |
110 (20) |
96 (14)*** |
218 (40) |
184 (22)*** |
314 (50) |
274 (30)*** |
| HR (bpm) |
86 (17) |
86 (14) |
120 (10) |
126 (9) |
165 (9) |
163 (8) |
190 (8) |
185 (7)** |
| La [mmol/l] |
1.1 (.2) |
1.0 (.4) |
1.4 (.2) |
1.4 (.4) |
4.1 (.9) |
3.8 (.9) |
11.4 (2.3) |
10.4 (2.3) |
| VO2 (1·min-1) |
.43 (.12) |
.46 (.09) |
1.66 (.26) |
1.52 (.19) |
2.90 (.34) |
2.43 (.43)* |
3.90 (.49) |
3.23 (.48)* |
| VCO2 (1·min-1) |
.37 (.11) |
.42 (0.09) |
1.44 (.22) |
1.47 (.11) |
2.83 (.32) |
2.67 (.35) |
4.20 (.51) |
4.08 (.49) |
| VE [(1·min-1) |
12.5 (3.2) |
15.3 (4.7) |
37.8 (5.2) |
42.3 (5.3)* |
73.4 (12.3) |
76.9 (10.8) |
132.1 (24.8) |
138.2 (19.7) |
| EQO2 |
28.7 (5.2) |
32.8 (6.0) |
23.1 (3.7) |
28.1 (4.3)* |
25.4 (4.1) |
32.1 (4.0)** |
34.0 (5.7) |
43.4 (7.1)** |
| EQCO2 |
33.5 (6.1) |
35.8 (10.4) |
26.7 (4.2) |
29.1 (4.3)* |
26.1 (4.6) |
29.0 (4.3)** |
31.6 (5.3) |
34.1 (4.5)* |
| RER |
.86 (.07) |
.91 (.14) |
.87 (.04) |
.98 (.16) |
.98 (.04) |
1.13 (.20)* |
1.08 (.05) |
1.28 (.20)** |
LTP: Lactate Turn Point; P
max: maximal power; N: normoxia; H: hypoxia; P: power; HR: heart rate; La: lactate concentration; VO
2: oxygen uptake; VCO
2 CO
2 release; V
E: ventilation; EQO
2:ventilatory equivalent for O
2; EQCO
2: ventilatory equivalent for CO
2; RER: respiratory exchange ratio.* p < 0.05** p < 0.01*** p < 0.001.
