Parameters measured at the end of each lap | Variables | Laps | Mean | Δ Extreme Values | Changes (%) | Effect Size | ||||
1 | 3 | 5 | 7 | 8 | ||||||
Sprint Capacities in a 30-m sprint | Mean running speed (Km∙h−1) | 20.54 ± 1.49 | 19.71 ± 1.92 | 18.03 ± 2.74 | 16.13 ± 3.5a,b | 16.95 ± 3.44a,b | 18.11 ± 2.71 | 4.41 ± 2.20 | 21.5 | 1.64 |
Maximal running speed (Km∙h−1) | 22.92 ± 2.34 | 21.46 ± 2.73 | 19.20 ± 3.59a | 17.29 ± 4.3a,b | 17.73 ± 4.62a,b | 19.27 ± 3.74 | 5.63 ± 2.43 | 24.6 | 1.65 | |
Relative maximal power output (W∙kg−1) | 18.33 ± 2.08 | 17.39 ± 4.42 | 15.25 ± 5.33 | 11.80 ± 5.51a,b | 12.80 ± 6.04a | 14.65 ± 4.55 | 6.53 ± 2.70 | 35.7 | 1.57 | |
Absolute maximal power output (W) | 1245.64 ± 190.88 | 1167.16 ± 291.00 | 1013.13 ± 321.29 | 774.63 ± 380.61a,b | 879.92 ± 387.93a | 1000.23 ± 279.73 | 471.01 ± 222.3 | 37.9 | 1.57 | |
Theoretical maximal absolute horizontal force F0 (N) | 771.05 ± 116.90 | 749.47 ± 153.41 | 713.59 ± 185.01 | 603.10 ± 206.01 | 648.48 ± 221.65 | 693.01 ± 161.36 | 167.95 ± 115.57 | 21.8 | 1.01 | |
Theoretical maximal relative horizontal force F0 (N∙kg−1) | 11.25 ± 1.59 | 11.37 ± 1.77 | 10.65 ± 2.65 | 9.04 ± 2.94a,b | 9.68 ± 2.91 | 10.35 ± 1.88 | 2.33 ± 2.58 | 20.5 | 0.95 | |
Theoretical maximal running velocity V0 (m∙s−1) | 6.55 ± 0.67 | 6.19 ± 0.71 | 5.66 ± 0.98 | 5.05 ± 1.18a,b | 5.29 ± 1.19a | 5.70 ± 0.98 | 1.50 ± 0.46 | 23.0 | 1.56 | |
Running pattern on the treadmill | Stride frequency (Hz) | 5.18 ± 1.45 | 4.43 ± 1.25 | 4.61 ± 1.36 | 3.66 ± 1.37 | 4.63 ± 1.16 | 4.50 ± 1.32 | 1.52 ± 1.38 | 29.5 | 1.13 |
Vertical oscillations (m) | 0.04 ± 0.02 | 0.04 ± 0.01 | 0.04 ± 0.02 | 0.05 ± 0.01 | 0.04 ± 0.01 | 0.05 ± 0.01 | 0.01 ± 0.01 | 20.0 | 1.00
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Maximal relative force (PC) | 2.38 ± 0.1 | 2.51 ± 0.2 | 2.54 ± 0.2 | 2.50 ± 0.2 | 2.56 ± 0.2 | 2.50 ± 0.1 | 0.18 ± 01 | 15.0 | 1.14 | |
Stiffness (kN∙m−1) | 52.40 ± 24.87 | 47.99 ± 27.21 | 53.26 ± 32.60 | 27.29 ± 24.52 | 49.05 ± 21.81 | 46.00 ± 11.27 | 25.97 ± 11.8 | 48.0 | 0.91
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Perceptual responses | Perceived exertion | 2.94 ± 1.33 | 4.44 ± 1.67 | 5.70 ± 1.25a | 7.00 ± 2.00a,b | 7.20 ± 2.20a,b | 5.44 ± 1.16 | 4.26 ± 2.33 | 60.0 | 2.38 |
Perceived pleasure | 6.40 ± 3.13 | 6.67 ± 2.37 | 5.50 ± 3.06 | 5.00 ± 3.32a,b | 5.89 ± 2.85 | 5.81 ± 2.80 | 1.67 ± 6.3 | 24.9 | 0.58 | |
Affective load | −3.36 ± 3.45 | −2.06 ± 1.79 | 0.20 ± 2.97a | 2.00 ± 3.69a,b | 1.31 ± 3.70a,b | -0.30 ± 2.65 | 5.36 ± 2.98 | 63.1 | 1.50 | |
Perceived fatigue | 1.20 ± 1.39 | 2.55 ± 1.87 | 4.90 ± 1.37a,b | 5.30 ± 2.21a,b | 6.40 ± 2.45a,b | 4.07 ± 1.47 | 5.20 ± 2.70 | 82.0 | 2.61 | |
Anthropometry | Body mass (kg) | 64.86 ± 7.66 | 63.97 ± 7.4 | 63.51 ± 7.17 | 63.27 ± 7.16 | 63.12 ± 7.07a | 63.75 ± 7.29 | 1.74 ± 0.9 | 2.7 | 0.24
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