Table 2. Growth and development of early-, average-, and late-maturing groups of 13–15-year-old players.
The growth and development degree of early-, average-, and late-maturing groups of 13–15 years old players, and the calculated effect size.
| Age | 13 (y) | 14 (y) | 15 (y) | df | F | p | η2 | |
|---|---|---|---|---|---|---|---|---|
| Early | N = 36 | 15 | 10 | 11 | 2 | |||
| Height (cm) | 173.6 ± 3.77 | 176.4 ± 4.01 | 177.2 ± 5.65 | 2.371 | 0.109 | 0.126 | ||
| Body mass (kg) | 55.5 ± 6.63†,‡ | 62.6 ± 4.67† | 64.4 ± 5.64‡ | 8.412 | 0.001 | 0.338 | ||
| C thigh (cm) | 50.1 ± 3.79†,‡ | 54.0 ± 1.93† | 54.1 ± 3.04‡ | 6.896 | 0.003 | 0.295 | ||
| % Fat | 11.49 ± 1.53 | 11.81 ± 0.97 | 12.36 ± 1.33 | 1.337 | 0.276 | 0.075 | ||
| 5 × 25-m RSA (s) | 35.29 ± 0.93†,‡ | 33.96 ± 1.48† | 33.51 ± 1.13‡ | 8.374 | 0.001 | 0.337 | ||
| Left T (s) | 8.49 ± 0.35‡ | 8.21 ± 0.28 | 8.04 ± 0.31‡ | 6.718 | 0.004 | 0.289 | ||
| Right T (s) | 8.58 ± 0.40‡ | 8.22 ± 0.29 | 8.05 ± 0.31‡ | 8.061 | 0.001 | 0.328 | ||
| SLJ (m) | 221.3 ± 10.49‡ | 233.1 ± 12.0 | 236.0 ± 14.95‡ | 5.196 | 0.011 | 0.239 | ||
| 10 m (s) | 1.84 ± 0.13 | 1.74 ± 0.17 | 1.81 ± 0.19 | 1.307 | 0.284 | 0.073 | ||
| 30 m (s) | 4.48 ± 0.16 | 4.39 ± 0.25 | 4.43 ± 0.19 | 0.608 | 0.550 | 0.036 | ||
| YYIR1 (m) | 1,962.7 ± 197.2 | 2,052.0 ± 66.1 | 2,105.5 ± 104.3 | 3.221 | 0.053 | 0.163 | ||
| Average | N = 95 | 33 | 31 | 31 | ||||
| Height (cm) | 163.8 ± 4.93†,‡ | 171.9 ± 5.13†,§ | 175.1 ± 5.58‡,§ | 40.541 | <0.001 | 0.468 | ||
| Body mass (kg) | 51.1 ± 4.93†,‡ | 55.9 ± 5.34†,§ | 61.0 ± 5.02‡,§ | 29.811 | <0.001 | 0.393 | ||
| C thigh (cm) | 48.9 ± 3.28‡ | 51.4 ± 6.44 | 53.3 ± 4.08‡ | 7.040 | 0.001 | 0.133 | ||
| % Fat | 12.27 ± 1.87 | 11.63 ± 1.23 | 12.41 ± 1.66 | 2.070 | 0.141 | 0.043 | ||
| 5 × 25-m RSA (s) | 36.15 ± 0.87†,‡ | 35.02 ± 1.58†,§ | 34.08 ± 1.31‡,§ | 20.874 | <0.001 | 0.312 | ||
| Left T (s) | 8.77 ± 0.45†,‡ | 8.42 ± 0.41† | 8.39 ± 0.35‡ | 8.515 | <0.001 | 0.156 | ||
| Right T (s) | 8.79 ± 0.45†,‡ | 8.44 ± 0.41† | 8.38 ± 0.41‡ | 8.749 | <0.001 | 0.160 | ||
| SLJ (m) | 209.9 ± 16.21†,‡ | 224.0 ± 12.18†,§ | 239.9 ± 12.10‡,§ | 38.500 | <0.001 | 0.456 | ||
| 10 m (s) | 1.94 ± 0.19 | 1.88 ± 0.20 | 1.85 ± 0.18 | 2.040 | 0.140 | 0.042 | ||
| 30 m (s) | 4.77 ± 0.27‡ | 4.61 ± 0.30 | 4.44 ± 0.26‡ | 11.390 | <0.001 | 0.198 | ||
| YYIR1 (m) | 1,871.5 ± 257.6†,‡ | 2,047.1 ± 162.1† | 2,035.5 ± 176.5‡ | 7.450 | 0.001 | 0.139 | ||
| Late | N = 36 | 11 | 15 | 10 | ||||
| Height (cm) | 159.6 ± 5.83‡ | 164.6 ± 6.13 | 168.2 ± 5.86‡ | 5.467 | 0.009 | 0.249 | ||
| Body mass (kg) | 47.0 ± 5.32‡ | 50.2 ± 6.17 | 54.1 ± 4.94‡ | 4.279 | 0.023 | 0.206 | ||
| C thigh (cm) | 43.7 ± 3.81†,‡ | 49.3 ± 3.81† | 50.4 ± 2.17‡ | 12.012 | <0.001 | 0.421 | ||
| % Fat | 12.03 ± 2.22 | 11.08 ± 1.06 | 11.36 ± 1.54 | 1.109 | 0.356 | 0.063 | ||
| 5 × 25-m RSA (s) | 37.76 ± 1.15‡ | 36.17 ± 2.12 | 34.99 ± 0.99‡ | 7.944 | 0.002 | 0.325 | ||
| Left T (s) | 9.18 ± 0.39 | 8.73 ± 0.72 | 8.65 ± 0.55 | 2.691 | 0.081 | 0.140 | ||
| Right T (s) | 9.20 ± 0.39 | 8.72 ± 0.66 | 8.66 ± 0.54 | 3.163 | 0.055 | 0.161 | ||
| SLJ (m) | 191.5 ± 9.05†,‡ | 208.2 ± 13.36† | 213.2 ± 3.77‡ | 13.576 | <0.001 | 0.451 | ||
| 10 m (s) | 2.11 ± 0.13‡ | 1.88 ± 0.16 | 1.87 ± 0.18‡ | 8.193 | 0.001 | 0.332 | ||
| 30 m (s) | 5.13 ± 0.17†,‡ | 4.74 ± 0.20† | 4.62 ± 0.21‡ | 19.240 | <0.001 | 0.538 | ||
| YYIR1 (m) | 1,816.4 ± 256.2‡ | 2,002.7 ± 134.6 | 2,006.0 ± 77.2‡ | 4.605 | 0.023 | 0.218 |
Notes:
SLJ, standing long jump; 5 × 25 m RSA, 5 × 25 m repeated sprint ability; YYIR1, Yo-Yo intermittent recovery test level 1.
†
Significant difference between 13-year-old and 14-year-old players: p < 0.05.
‡
Significant difference between 13-year-old and 15-year-old players: p < 0.05.
§
Significant difference between 14-year-old and 15-year-old players: p < 0.05.