TABLE 3.
Mean ± SD performance and laboratory test results before the VOL (T1) between the VOL and INT (T2), and after the INT (T3) periods.
| PD (n = 14) | IND (n = 16) | |||||
|---|---|---|---|---|---|---|
| T 1 | T 2 | T 3 | T 1 | T 2 | T 3 | |
| vLT1 (km·h−1) | 10.7 ± 0.9 | 10.8 ± 1.1 (0.10; −0.43 to 0.63) | 11.1 ± 1.2 (0.33; −0.21 to 0.87) | 10.6 ± 1.1 | 10.8 ± 1.0 (0.23; −0.27 to 0.72) | 10.8 ± 1.3 (0.14; −0.36 to 0.63) |
| vLT2 (km·h−1) | 13.3 ± 1.4 | 13.5 ± 1.5 (0.15,. −38 to 0.67) | 13.6 ± 1.6* (0.18; −0.35 to 0.70) | 13.1 ± 1.6 | 13.3 ± 1.4 (0.16; −0.33 to 0.65) | 13.5 ± 1.6** (0.23; −0.27 to 0.72) |
| vMax (km·h−1) | 16.1 ± 1.8 | 16.3 ± 2.0 (0.11; −0.42 to 0.63) | 16.6 ± 2.1***,† (0.26; −0.28 to 0.79) | 16.0 ± 2.0 | 16.2 ± 2.0 (0.10; −0.39 to 0.59) | 16.6 ± 1.9***,†† (0.32; −0.19 to 0.82) |
| V̇O2max (mL·kg−1·min−1) | 46.7 ± 3.9 | 47.8 ± 5.2 (0.26; −0.28 to 0.78) | 50.7 ± 6.1***,††† (0.80; −0.18;1.39) | 47.3 ± 7.2 | 47.0 ± 7.2 (−0.03; −0.49 to 0.44) | 50.3 ± 7.6**,††† (0.40; −0.12 to 0.90) |
| CMJ (cm) | 28.0 ± 5.2 | 28.8 ± 4.7 (0.15; −0.38 to 0.67) | 28.6 ± 4.4 (0.11; −0.41 to 0.64) | 30.3 ± 6.3 | 30.6 ± 6.8 (0.05; −0.44 to 0.54) | 30.0 ± 6.2 (−0.05; −0.54 to 0.44) |
| fTesto (pmol·L−1) | 27.0 ± 26.6 | 26.9 ± 25.5 (0.00; −0.69 to 0.69) | 27.3 ± 23.3 (0.00; −0.69 to 0.69) | 18.6 ± 17.5 | 18.2 ± 16.8 (−0.01; −0.75 to 0.73) | 18.6 ± 16.4 (0.00; −0.74 to 0.74) |
| Cortisol (nmol·L−1) | 382 ± 102 | 439 ± 107 (0.50; −0.07;1.04) | 411 ± 96 (0.24; −0.30 to 0.76) | 464 ± 145 | 468 ± 145 (0.02; −0.47 to 0.51) | 456 ± 125 (−0.06; −0.55 to 0.43) |
| CK (umol·L−1) | 130 ± 63 | 148 ± 90 (0.06; −0.63 to 0.75) | 115 ± 54 (−0.07; −0.76 to 0.62) | 118 ± 55 | 130 ± 65 (0.05; −0.69 to 0.79) | 129 ± 79 (0.05; −0.69 to 0.79) |
Values in the parentheses are ES (Cohen’s d) and the 95% confidence intervals for the within-group changes from T1.
*P < 0.05 within groups compared with T1.
**P < 0.01 within groups compared with T1.
***P < 0.001 within groups compared with T1.
†P < 0.05 within groups compared with T2.
††P < 0.01 within groups compared with T2.
†††P < 0.001 within groups compared with T2.
CK, serum creatine kinase. fTesto, serum free testosterone; vLT1, the speed at the first lactate threshold; vLT2, the speed at the second lactate threshold; vMax, maximal speed of the incremental treadmill test.