Table 3.
Maximal oxygen consumption (
O2max), maximum running velocity, running velocity at which O2max occurs, and anaerobic lactate threshold before and after a 4-week high-intensity interval training period; the pre to post changes in mean values; and the differences in the changes between the active recovery (n = 13) and passive recovery (n = 13) group.
| Variable | Group | Pre |
Post |
Pre to post changes |
Differences in the changes between ACT and PAS |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean ±SD (95% CI) | Mean ±SD (95% CI) | ΔMean ±SD (95% CI) | p | ES | ΔMean (95% CI) | p | ES | Qualitative inference and likelihood (%) of ACT being positive/trivial/negative | ||||||
| Treadmill test | ||||||||||||||
|
O2max (ml⋅min⋅kg-1) |
Overall | 55.36 ± 3.76 | (53.84; 56.88) | 55.28 ± 3.51 | (53.86; 56.69) | -0.09 ± 2.42 | (-1.07; 0.89) | 0.853 | -0.02 | |||||
| ACT | 55.19 ± 3.45 | (53.10; 57.28) | 55.55 ± 3.44 | (53.47; 57.63) | 0.36 ± 2.43 | (-1.82; 1.11) | 0.603 | 0.09 | 0.90 (-1.07; 2.87) | 0.355 | 0.21 | Unclear | 51/45/4 | |
| PAS | 55.54 ± 4.18 | (53.01; 58.06) | 55.00 ± 3.69 | (52.77; 57.23) | -0.54 ± 2.43 | (-0.93; 2.01) | 0.440 | -0.13 | ||||||
| vmax (km⋅h-1) | Overall | 17.2 ± 1.0 | (16.8; 17.6) | 17.9 ± 0.9 | (17.5; 18.2) | 0.7 ± 0.4 | (0.5; 0.9) | <0.001 | 0.65 | |||||
| ACT | 17.2 ± 1.0 | (16.6; 17.8) | 17.8 ± 0.9 | (17.3; 18.4) | 0.7 ± 0.4 | (0.4; 0.9) | <0.001 | 0.62 | 0.0 (-0.4; 0.3) | 0.790 | -0.04 | Unclear | 7/76/17 | |
| PAS | 17.2 ± 1.0 | (16.6; 17.8) | 17.9 ± 0.9 | (17.3; 18.4) | 0.7 ± 0.4 | (0.4; 1.0) | <0.001 | 0.67 | ||||||
| vO2max (km⋅h-1) |
Overall | 17.0 ± 1.1 | (16.6; 17.5) | 17.8 ± 1.0 | (17.4; 18.1) | 0.7 ± 0.7 | (0.5; 1.0) | <0.001 | 0.62 | |||||
| ACT | 17.0 ± 1.2 | (16.3; 17.7) | 17.9 ± 1.0 | (17.2; 18.5) | 0.9 ± 0.7 | (0.4; 1.3) | <0.01 | 0.73 | 0.2 (-0.3; 0.8) | 0.349 | 0.19 | Unclear | 49/48/4 | |
| PAS | 17.0 ± 1.1 | (16.3; 17.7) | 17.6 ± 0.9 | (17.1; 18.2) | 0.6 ± 0.6 | (0.3; 1.0) | <0.01 | 0.52 | ||||||
| AT (km⋅h-1) | Overall | 12.5 ± 1.0 | (12.1; 12.8) | 13.0 ± 1.2 | (12.6; 13.5) | 0.6 ± 0.7 | (0.3; 0.8) | <0.001 | 0.56 | |||||
| ACT | 12.4 ± 0.9 | (11.9; 12.9) | 13.3 ± 0.8 | (12.8; 13.8) | 0.9 ± 0.4 | (0.6; 1.2) | <0.001 | 0.84 | 0.6 (0.1; 1,1) | <0.05 | 0.57 | Likely positive | 95/5/0 | |
| PAS | 12.5 ± 1.1 | (11.8; 13.2) | 12.8 ± 1.4 | (11.9; 13.7) | 0.3 ± 0.7 | (-0.1; 0.7) | 0.167 | 0.27 | ||||||
CIs, confidence limits; ES, effect size; vmax, maximum running velocity; vO2max, running velocity at which O2max occurs; AT, anaerobic lactate threshold; ACT, active recovery; PAS, passive recovery.