Table 2.
The blood lactate concentration and temperature measurements (mean ± SD) in the selected ROIs before training (0, n = 40), immediately after exercise (1, n = 40), and 30 min after exercise (2, n = 40).
| Measurement | 0 | −1 | −2 | p-Value | |
|---|---|---|---|---|---|
| LAC (mmol/L) | 0.12 ± 0.04 a | 10.43 ± 6.44 b | 3.37 ± 3.35 c | p < 0.0001 | |
| ROI 1 | T Max | 31.53 ± 1.22 a | 33.23 ± 0.99 b | 31.62 ± 1.29 a | p < 0.0001 |
| T Min | 26.98 ± 2.08 a | 30.04 ± 1.87 b | 27.92 ± 3.01 a | p < 0.0001 | |
| T Aver | 28.64 ± 5.06 a | 31.76 ± 1.03 b | 29.84 ± 2.05 a | p < 0.0001 | |
| ROI 2 | T Max | 31.49 ± 1.20 a | 33.69 ± 0.99 b | 31.89 ± 1.25 a | p < 0.0001 |
| T Min | 28.40 ± 1.27 a | 31.39 ± 1.26 b | 29.23 ± 2.09 a | p < 0.0001 | |
| T Aver | 30.10 ± 1.16 a | 32.69 ± 1.13 b | 30.68 ± 1.58 a | p < 0.0001 | |
| ROI 3 | T Max | 30.06 ± 1.15 a | 33.79 ± 1.22 b | 31.10 ± 2.22 c | p < 0.0001 |
| T Min | 27.04 ± 1.93 a | 31.25 ± 1.53 b | 28.14 ± 3.04 a | p < 0.0001 | |
| T Aver | 27.99 ± 1.95 a | 32.71 ± 1.36 b | 29.37 ± 3.44 c | p < 0.0001 | |
| ROI 4 | T Max | 30.44 ± 1.06 a | 33.86 ± 1.28 b | 31.43 ± 2.35 a | p < 0.0001 |
| T Min | 27.92 ± 1.63 a | 31.10 ± 1.86 b | 28.82 ± 3.00 a | p < 0.0001 | |
| T Aver | 29.22 ± 0.96 a | 32.66 ± 1.53 b | 30.23 ± 2.45 c | p < 0.0001 | |
| ROI 5 | T Max | 30.85 ± 1.15 a | 34.09 ± 1.27 b | 32.01 ± 2.30 a | p < 0.0001 |
| T Min | 26.80 ± 2.11 a | 30.11 ± 2.36 b | 27.65 ± 3.24 a | p < 0.0001 | |
| T Aver | 29.73 ± 2.15 a | 32.63 ± 1.70 b | 30.23 ± 2.67 a | p < 0.0001 | |
| ROI 6 | T Max | 30.06 ± 1.20 a | 33.76 ± 1.17 b | 31.68 ± 2.11 c | p < 0.0001 |
| T Min | 26.53 ± 1.55 a | 29.68 ± 1.50 b | 27.73 ± 2.91 c | p < 0.0001 | |
| T Aver | 28.39 ± 1.22 a | 32.10 ± 1.39 b | 29.89 ± 2.54 c | p < 0.0001 | |
| ROI 7 | T Max | 30.29 ± 1.16 a | 33.83 ± 1.26 b | 31.60 ± 1.82 c | p < 0.0001 |
| T Min | 27.35 ± 1.54 a | 30.25 ± 1.84 b | 27.72 ± 3.02 a | p < 0.0001 | |
| T Aver | 28.95 ± 1.10 a | 32.48 ± 1.38 b | 29.85 ± 2.46 a | p < 0.0001 | |
| ROI 8 | T Max | 30.59 ± 1.02 a | 34.05 ± 1.20 b | 32.06 ± 1.87 c | p < 0.0001 |
| T Min | 26.83 ± 1.06 a | 30.51 ± 1.88 b | 26.31 ± 2.41 a | p < 0.0001 | |
| T Aver | 28.77 ± 1.03 a | 32.63 ± 1.33 b | 29.83 ± 2.16 c | p < 0.0001 | |
| ROI 9 | T Max | 30.54 ± 1.04 a | 34.33 ± 1.03 b | 32.39 ± 1.81 c | p < 0.0001 |
| T Min | 25.79 ± 1.26 a | 29.20 ± 1.67 b | 26.95 ± 3.03 a | p < 0.0001 | |
| T Aver | 28.30 ± 1.21 a | 32.22 ± 1.43 b | 30.08 ± 2.42 c | p < 0.0001 | |
| ROI 10 | T Max | 32.32 ± 1.08 a | 34.67 ± 2.20 b | 33.10 ± 1.61 a | p < 0.0001 |
| T Min | 25.43 ± 2.24 a | 29.58 ± 2.83 b | 26.79 ± 2.79 a | p < 0.0001 | |
| T Aver | 28.87 ± 1.14 a | 32.79 ± 1.40 b | 30.37 ± 2.09 c | p < 0.0001 | |
| ROI 11 | T Max | 30.80 ± 1.13 a | 34.18 ± 1.32 b | 31.20 ± 1.80 a | p < 0.0001 |
| T Min | 28.14 ± 1.10 a | 31.69 ± 1.63 b | 27.78 ± 2.23 a | p < 0.0001 | |
| T Aver | 29.27 ± 1.04 a | 32.87 ± 1.44 b | 29.19 ± 2.00 a | p < 0.0001 | |
LAC, blood lactate concentration; T Max, maximal temperature; T Min, minimal temperature; T Aver, average temperature; ROI, regions of interest. Differences between measurements (0, 1, 2) are indicated by a, b, and c. The significance level was established as p < 0.05.