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. 2021 Nov 17;12:766153. doi: 10.3389/fphys.2021.766153

TABLE 1.

Effects and response rate of specific techniques (TS-G) vs. repeated sprints (RS-G) on taekwondo-related fitness outcomes (n = 12).

Pre-training Post-training % change ± DS F1,10; p; η 2 p ES Rs Pre-training Post-training % change ± DS F1,10; p; η 2 p ES Rs ES



TS-G (n = 6) RS-G (n = 6) TS-G vs. RS-G
SJ (cm) 27.1 ± 6.7 29.6 ± 5.0 11 ± 11.2 8.61; 0.01; 0.46* 0.28 (0.02 to 0.54) Small 3 (50) 26.1 ± 2.99 28.1 ± 2.79 8 ± 7.03 5.51; 0.04; 0.35* 0.45 (0.06 to 0.85) Small 2 (33.3) −0.21 (−0.63 to 0.21) Small
CMJ (cm) 31.0 ± 5.8 30.3 ± 3.5 −1 ± 12.6 0.32; 0.58; 0.03 0.00 (−0.70 to 0.70) Trivial 1 (16.6) 27.5 ± 3.89 27.5 ± 4.18 −0 ± 5.3 0.00; 1.0; 0.00 0.06 (−0.35 to 0.47) Trivial 0 0.11 (−0.44 to 0.65) Trivial
Total Kicks 93.1 ± 9.79 92.3 ± 9.50 −1 ± 10.2 0.07; 0.79; 0.00 −0.06 (−0.81 to 0.68) Trivial 1 (16.6) 93.1 ± 9.5 90.6 ± 8.4 − 2.4 ± 5.7 0.67; 0.43; 0.63 −0.18 (−0.66 to 0.31) Trivial 0 −0.12 (−0.93 to 0.69) Trivial
KDI (%) 6.12 ± 2.51 4.39 ± 1.77 −18 ± 41.8 1.50; 0.24; 0.13 −0.86 (−1.82 to 0.10) Moderate 0 3.4 ± 2.4 6.9 ± 4.3 197 ± 328.2 5.96; 0.02; 0.03* 0.38 (−0.11 to 0.87) Small 0 0.83 (0.13 to 1.53) Moderate
20MSR (min) 7.8 ± 2.6 8 ± 2.9 2 ± 9.9 0.75; 0.79; 0.07 0.10 (−0.03 to 0.23) Trivial 0 5.8 ± 2.3 4.4 ± 1.6 11.6 ± 21.1 0.67; 0.43; 0.63 −0.29 (−0.84 to 0.25) Small 0 −0.44 (−1.24 to 0.35) Small

P, p-value; η2p, partial eta-squared; *p < 0.05, statistical differences from pre-training; % change ± DS, percentage changes in means; ES, effect size with 90% CI; Rs, responders; TS-G, technical specific group; RS-G: repeated-sprint group; SJ, squat jump; CMJ, countermovement jump; KDI, Kick Decrement Index; 20MSR, 20-m shuttle run.