Table 2. Blood and running parameters pre and post Live High:Train Low (LHTL) altitude training, Intermittent Hypoxic Exposure (IHE), or Placebo.
|
LHTL |
IHE |
Placebo |
|
Pre |
Post |
Pre |
Post |
Pre |
Post |
Blood measures |
Haemoglobin mass (g) |
869 (182) |
900 (193) |
847 (189) |
850 (184) |
775 (191) |
789 (195) |
Serum ferritin (ng·mL-1) |
62.8 (33.4) |
68.0(27.3) |
54.2(27.5) |
51.0(23.4) |
71.6(46.4) |
56.4(36.2) |
Soluble transferrin receptor (mg·L-1) |
2.5 (.3) |
2.9 (.6) |
2.7 (.6) |
3.2 (.7) |
2.4 (.4) |
2.8 (.6) |
Submaximal running |
Running economy (mL·kg-1·min-1) |
3.72 (.58) |
3.55 (.62) |
3.39 (.63) |
3.35 (.63) |
3.29 (.66) |
3.35 (.59) |
3mM [La] running speed (km·h-1) |
16.8 (.4) |
17.1 (.7) |
17.0 (1.0) |
17.4 (.8) |
16.5 (.7) |
16.8 (.8) |
Maximal running |
VO2max (L·min-1) |
4.82 (1.1) |
4.84 (.89) |
4.56 (.87) |
4.63 (.79) |
4.47 (.65) |
4.60 (.72) |
vVO2max (km·h-1) |
19.3 (.6) |
19.6 (.4) |
18.9 (1.4) |
19.1 (1.3) |
19.6 (.9) |
19.6 (1.1) |
TTE (s) |
528 (46) |
540 (37) |
518 (73) |
521 (36) |
540 (47) |
570 (43) |
Maximal heart rate (beats·min-1) |
192 (12) |
185 (16) |
200 (6) |
196 (5) |
195 (9) |
195 (9) |
Maximal [La] (mM·L-1) |
9.7 (2.0) |
8.3 (1.7) |
8.8 (1.6) |
7.4 (.9) |
10.0 (2.4) |
10.4 (2.0) |
Data presented are the raw values, expressed as group means (± standard deviation). Blood lactate concentration: [La]. Maximal oxygen consumption: VO. Running velocity at VO: vVO. Running time to exhaustion: TTE