Table 1.
Exercise testing maximal parameters before (pre), 7 days (post-1), and 2-weeks (post-2) after intervention.
| Pre | Post-1 | % Δ | d Cohen | Post-2 | % Δ | d Cohen | Mixed factorial ANOVA, p-values | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (Pre-Post 1) | (Pre-Post 2) | Time | Condition | Time × condition | |||||||
| Lactate, Mmol | RSH | 9.0 ± 1.6 | 10.6 ± 4.0 | 17.8 | 0.57 | 11.9 ± 6.7 | 32.2 | 0.24 | 0.055 | 0.676 | 0.417 |
| RSN | 9.2 ± 1.5 | 9.7 ± 2.2 | 5.4 | 0.27 | 14.5 ± 4.0* | 57.6 | 1.55 | 0.007 | |||
| VO2max, L·min−1 | RSH | 2.9 ± 0.2 | 2.7 ± 0.4 | −6.9 | 0.67 | 2.6 ± 0.3 | −10.3 | 0.29 | 0.071 | 0.475 | 0.081 |
| RSN | 2.8 ± 0.2 | 2.5 ± 0.2** | −10.7 | 1.50 | 2.6 ± 0.2 | −7.1 | 0.50 | 0.012 | |||
| Absolute workload, watts | RSH | 198.0 ± 16.4 | 192.0 ± 16.4 | −3.0 | 0.37 | 192.0 ± 16.4 | −3.0 | 0.00 | 0.375 | 0.421 | 0.709 |
| RSN | 190.0 ± 15.5 | 180.0 ± 26.8 | −5.3 | 0.47 | 190.0 ± 15.5 | 0.0 | 0.47 | 0.432 | |||
| TtE, min | RSH | 15.6 ± 1.8 | 15.6 ± 2.0 | 0.0 | 0.00 | 15.2 ± 1.2 | −2.6 | 0.25 | 0.844 | 0.652 | 0.553 |
| RSN | 15.1 ± 1.8 | 14.6 ± 1.8 | −3.3 | 0.28 | 15.4 ± 1.9 | 2.0 | 0.43 | 0.822 | |||
| HRmax, beats·min−1 | RSH | 192.5 ± 3.1 | 182.7 ± 10.7 | −5.1 | 1.42 | 183.7 ± 9.3 | −4.6 | 0.10 | 0.068 | 0.754 | 0.735 |
| RSN | 193.5 ± 4.0 | 183.0 ± 4.9*** | −5.4 | 2.36 | 186.3 ± 10.0 | −3.7 | 0.44 | 0.021 | |||
| RER | RSH | 1.19 ± 0.06 | 1.21 ± 0.08 | 1.7 | 0.29 | 1.20 ± 0.04 | 0.8 | 0.17 | 0.403 | 0.997 | 0.223 |
| RSN | 1.20 ± 0.05 | 1.17 ± 0.06 | −2.5 | 0.55 | 1.23 ± 0.06 | 2.5 | 1.00 | 0.354 | |||
Mean ± standard deviation; VO2max (maximal oxygen uptake), TtE (time to exhaustion), HRmax (maximal heart rate), RER (respiratory exchange ratio). RSH, repeated-sprint training in hypoxia; RSN, repeated-sprint training in normoxia. *Indicates differences with respect to baseline (post-hoc t-test with Bonferroni correction):
*
P < 0.05,
**
P < 0.01,
***
P < 0.001.