Table 1.
Variables | U-13 (n = 12) | U-15 (n = 15) | U-17 (n = 21) | F | p |
---|---|---|---|---|---|
X ± SD | X ± SD | X ± SD | |||
Age (years) | 12.70 ± 0.56 | 14.52 ± 0.49a | 16.21 ± 0.59ab | 156.05 | < 0.001 |
PHV (years) | -1.02 ± 0.96 | -0.02 ± 0.71a | 1.88 ± 0.66ab | 61.86 | 0.020 |
Training experience | 46.91 ± | 54.98 ± 24.31a | 89.23 ± 28.69ab | 10.78 | < 0.001 |
(months) Body mass (kg) | 32.24 44.90 ± 8.02 | 50.46 ± 7.05 | 62.73 ± 8.78ab | 21.17 | < 0.001 |
Body height (cm) | 155.77 ± 7.68 | 163.40 ± 5.86a | 170.15 ± 7.26*ab | 16.47 | < 0.001 |
Sitting height (cm) | 79.76 ± 5.38 | 84.17 ± 2.99a | 89.96 ± 4.03*ab | 24.48 | < 0.001 |
SR (cm) | 25.29 ± 6.80 | 29.57 ± 6.97 | 33.63 ± 5.15a | 7.08 | 0.002 |
ULS (Kgf) | 12.62 ± 4.89 | 18.30 ± 3.77a | 29.28 ± 5.80*ab | 46.89 | < 0.001 |
CMJ (cm)* | 22.62 ± 5.86 | 27.80 ± 4.74a | 27.90 ± 2.84a | 6.51 | 0.002 |
SJ (cm) | 21.84 ± 5.78 | 27.82 ± 4.75a | 28.38 ± 4.92a | 6.94 | 0.002 |
Yo-Yo Test (m)* | 333.33 ± 99.93 | 469.33 ± 140.58a | 820.95 ± 281.88ab | 24.24 | < 0.001 |
Abdominal (rep) | 45.08 ± 7.46 | 46.66 ± 7.37 | 51.47 ± 5.48a | 4.28 | 0.020 |
OTPI | 44.20 ± 7.09 | 42.13 ± 5.05 | 47.33 ± 9.84 | 1.93 | 0.156 |
DTPI | 32.36 ± 4.41 | 34.19 ± 4.76 | 28.82 ± 5.11b | 5.70 | 0.006 |
GTPI | 35.99 ± 3.69 | 35.84 ± 2.99 | 34.34 ± 3.45 | 1.27 | 0.289 |
CMJ = Counter Movement Jump; SJ = Squat Jump; Yo-Yo Test = Yo-Yo Intermittent Recovery Test level 1. DTPI = Defensive Tactical Performance Index; OTPI = Offensive Tactical Performance Index; GTPI = Game Tactical Performance Index.
Significant difference for U13
Significant difference for U15.
Transformed data Log10. SR = Sit-and-reach; ULS = Upper limb strength