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. 2021 Jul 16;53(12):2586–2595. doi: 10.1249/MSS.0000000000002753

TABLE 2.

Sprint test results.

Sprint Time (s) Knee Angle at Peak Knee Extension (°) Hip angle at Peak Hip Flexion (°) Peak Combined Angle (°) Peak knee Extension Velocity (°·s−1) Peak hip Flexion Velocity (°·s−1) Peak Combined Angular Velocity (°·s−1)
First half (min)
 0 3.58 ± 0.12 31.2 ± 6.1 77.8 ± 10.0 18.0 ± 7.0 904 ± 95 742 ± 74 934 ± 102
 15 3.74 ± 0.14 30.7 ± 7.9 77.1 ± 9.51 19.0 ± 8.9 892 ± 80 683 ± 146 912 ± 56
 30 3.75 ± 0.15 30.4 ± 8.2 75.5 ± 9.12 18.6 ± 6.8 859 ± 86 667 ± 132 906 ± 69
 45 3.78 ± 0.10 29.4 ± 7.6 75.1 ± 10.4 19.3 ± 7.9 881 ± 96 670 ± 146 900 ± 55
Second half (min)
 0 3.82 ± 0.13 28.2 ± 6.9 75.6 ± 9.03 18.1 ± 5.2 929 ± 81 687 ± 108 951 ± 87
 15 3.78 ± 0.12 28.7 ± 6.3 74.4 ± 10.9 19.0 ± 6.2 876 ± 92 708 ± 145 940 ± 71
 30 3.83 ± 0.16 27.7 ± 7.2 74.0 ± 9.58 21.1 ± 7.0 879 ± 120 706 ± 146 947 ± 78
 45 3.85 ± 0.22 26.4 ± 7.7 72.9 ± 10.8 21.2 ± 8.4 879 ± 116 699 ± 150 912 ± 55
Main effect time within half
 Mean 0.04 −0.6 −0.9 0.7 −12 −10 −11
 95% CI 0.01 to 0.06 −1.8 to 0.6 −1.8 to 0.0 −0.2 to 1.7 −29 to 4 −25 to 5 −26 to 4
 Cohen’s d 0.682 0.237 0.495 0.386 0.366 0.306 0.350
P 0.006 0.333 0.045 0.115 0.135 0.212 0.154
Main effect half
 Mean 0.11 −2.7 −2.1 1.2 7 10 24
 95% CI 0.07 to 0.14 −4.0 to −1.3 −3.2 to −1.1 −0.3 to 2.6 −12 to 26 −10 to 29 7 to 42
 Cohen’s d 1.323 0.951 0.965 0.375 0.172 0.235 0.675
P <0.001 <0.001 <0.001 0.127 0.482 0.336 0.007

Sprint performance and potential kinematic risk factors throughout the football match simulation, as well as linear mixed modeling results of the 20-m sprint test. For each effect, the mean of the effect, the 95% CI, effect size (Cohen’s d), and P value are shown.