TABLE 2.
Intergroup comparison of jumping performance variables pre-post intervention.
| Variables | CG pretest (N = 10) mean (SD) |
IG pretest (N = 14) mean (SD) |
p | ES | CG posttest (N = 10) mean (SD) |
IG posttest (N = 14) mean (SD) |
p | ES |
| Weight (kg) | 43.09 (9.48) | 38.21 (4.38) | 0.156 | 0.704 | 43.46 (9.69) | 40.21 (4.56) | 0.345 | 0.456 |
| Height (m) | 1.53 (0.11) | 1.51 (0.07) | 0.487 | 0.293 | 1.54 (0.11) | 1.52 (0.07) | 0.657 | 0.187 |
| BMI (kg/m2) | 18.05 (2.46) | 16.77 (1.02) | 0.148 | 0.728 | 18.07 (2.42) | 17.32 (1.08) | 0.377 | 0.428 |
| CMJ (cm) | 29.33 (5.73) | 25.10 (3.70) | 0.039* | 0.911 | 28.60 (6.24) | 29.85 (3.43) | 0.534 | −0.261 |
| Relative force (N/kg) | 17.74 (0.96) | 16.38 (1.07) | 0.004* | 1.326 | 17.19 (1.76) | 17.36 (1.09) | 0.773 | −0.121 |
| Maximal velocity (m/s) | 1.20 (0.11) | 1.11 (0.08) | 0.035* | 0.931 | 1.18 (0.12) | 1.21 (0.07) | 0.460 | −0.311 |
| Relative power (W/kg) | 21.25 (2.80) | 18.14 (1.96) | 0.004* | 1.328 | 20.89 (2.96) | 20.99 (2.01) | 0.923 | −0.041 |
CMJ, countermovement jump; ES, effect size (Cohen, 1988). *p ≤ 0.05.