Table 2. Baseline and post-training measurements. Variables SEG CTG p Pre Post Δ (%) Pre Post Δ (%) Time η2p G × T Group RAST time (sec) 33.0 ± 3.6 30.6 ± 1.6 7.9 34.5 ± 3.8 31.9 ± 1.5 8.0 <0.001 0.459 0.865 0.091 Peak power (w) 670.6 ± 181.5 766.3 ± 125.2 12.5 643.9 ± 213.0 735.1 ± 139.0 12.4 <0.001 0.296 0.923 0.563 RASTSdec (%) 10.8 ± 3.3 7.8 ± 3.3 28.0 10.5 ± 3.1 8.7 ± 3.7 16.6 0.001 0.278 0.324 0.727 Statistical analysis of mixed ANOVA 2 (group) × 2(time). The data are presented in mean ± SD. CTG = Core training group, SEG = Speed endurance group, G × T = interaction between group and time, η2p = eta partial square, RAST = Running-Based Anaerobic Sprint Test, RASTSdec= RAST sprint decrement score.