Table 2.
Mean values (SD) of the parameters describing [HHb] kinetics at the onset of CWR exercise of heavy intensity (HiEx) together with the values of [HHb] and [Hbtot] after 120 s of exercise and at the end of exercise.
| Parameter | Training |
||||||
|---|---|---|---|---|---|---|---|
| HIT |
IRT |
||||||
| Pb; | Pw; | Pint; | Pre | Post | Pre | Post | |
| [Hbtot]120 (μM) | 0.052; 0.300 | 0.814; 0.005 | 0.772; 0.008 | 4.5 (3.4) | 3.8 (5.6) | 6.8 (6.3) | 7.0 (6.0) |
| [Hbtot]end (μM) | 0.016; 0.425 | 0.888; 0.002 | 0.917; 0.504 | 4.3 (2.3) | 4.3 (6.0) | 9.5∗ (7.5) | 9.1 (6.5) |
| [HHb]A1 (s) | 0.051; 0.307 | 0.246; 0.122 | 0.995; 0.000 | 8.3 (4.9) | 9.8 (6.8) | 12.2 (8.0) | 13.7 (9.9) |
| [HHb]d1 (s) | 0.572; 0.029 | 0.966; 0.000 | 0.199; 0.144 | 5.9 (1.0) | 6.7 (3.2) | 6.4 (1.4) | 5.7 (2.6) |
| [HHb]τ 1 (s) | 0.132; 0.188 | 0.731; 0.011 | 0.324; 0.091 | 4.5 (1.1) | 4.4 (0.9) | 3.9 (1.2) | 4.3 (1.0) |
| 95% IC [HHb]τ 1 (s) | 3.1–5.6 | 3.2–5.8 | 2.2–6.0 | 3.6–5.1 | |||
| [HHb]MRT (s) | 0.135; 0.191 | 0.821; 0.005 | 0.439; 0.055 | 10.4 (1.3) | 11.1 (3.2) | 10.3 (1.9) | 10.0 (3.3) |
| [HHb]120 (μM) | 0.091; 0.237 | 0.208; 0.140 | 0.627; 0.22 | 5.4 (3.2) | 7.3 (6.3) | 7.5 (4.6) | 8.5 (5.9) |
| [HHb]end (μM) | 0.042; 0.324 | 0.121; 0.204 | 0.590; 0.027 | 5.4 (3.0) | 6.4 (4.9) | 6.9 (4.1) | 9.0 (6.1) |
Δ[HHb]/Δ O2 (μM L−1 min−1) |
0.078; 0.255 | 0.425; 0.060 | 0.922; 0.001 | 5.6 (3.1) | 6.2 (3.7) | 8.0 (5.3) | 8.5 (6.2) |
Δ[HHb]/ΔO2 ratio is also reported. The table reports also the mean of the 2.5% and 97.5% percentiles of the 95% confidence interval for τ1 and the P-values of the ANOVA analysis together with the values of the corresponding partial squared correlation factors. For the meaning of the symbols, please refer to the text. ∗Significantly different from Pre HIT.