Table 1.
Demographic Characteristics by Skeletal Maturity Statusa
| Skeletal Maturity | |||||
|---|---|---|---|---|---|
| Late | Normal | Early | Mature | Overall | |
| (n = 10) | (n = 158) | (n = 192) | (n = 94) | (N = 454) | |
| Season | |||||
| 1 | 4 (3.3) | 53 (43.8) | 43 (35.5) | 21 (17.4) | 121 |
| 2 | 2 (1.9) | 35 (33.3) | 48 (45.7) | 20 (19.0) | 105 |
| 3 | 4 (3.6) | 36 (32.4) | 50 (45.0) | 21 (18.9) | 111 |
| 4 | 0 (0) | 34 (29.1) | 51 (43.6) | 32 (27.4) | 117 |
| Age, y | |||||
| Current | 14.1 ± 1.4 | 14.7 ± 1.6 | 14.7 ± 1.4 | 16.7 ± 1.0 | 15.0 ± 1.6 |
| Skeletal | 12.0 ± 1.7 | 14.6 ± 1.9 | 16.4 ± 1.5 | 18.0 ± 0.0 | 16.0 ± 2.0 |
| Anthropometry | |||||
| Height, cm | 151.1 ± 9.8 | 161.1 ± 10.4 | 167.7 ± 9.3 | 173.2 ± 6.3 | 166.1 ± 10.4 |
| Trunk height, cm | 77.0 ± 4.7 | 83.2 ± 5.7 | 88.1 ± 5.6 | 91.7 ± 3.2 | 86.8 ± 6.3 |
| Leg length, cm | 74.1 ± 6.2 | 78.1 ± 5.5 | 79.9 ± 4.4 | 81.5 ± 4.6 | 79.4 ± 5.1 |
| Arm span, cm | 154.3 ± 15.1 | 164.9 ± 12.0 | 171.9 ± 10.5 | 177.7 ± 7.3 | 170.0 ± 11.9 |
| Body mass, kg | 39.3 ± 7.9 | 48.8 ± 9.2 | 57.6 ± 10.0 | 66.6 ± 6.6 | 55.6 ± 11.2 |
| Body mass index, kg/m2 | 17.0 ± 1.2 | 18.6 ± 1.9 | 20.3 ± 2.1 | 21.9 ± 1.9 | 20.0 ± 2.3 |
| Sum of 7 skinfolds, mm | 48.8 ± 16.8 | 48.5 ± 16.7 | 54.1 ± 18.1 | 54.7 ± 12.4 | 52.6 ± 16.9 |
| Player position | |||||
| Goalkeeper | 1 (2.1) | 9 (18.8) | 23 (47.9) | 15 (31.3) | 48 |
| Defender | 1 (0.8) | 54 (41.9) | 50 (38.8) | 24 (18.6) | 129 |
| Forward | 4 (5.4) | 13 (17.6) | 39 (52.7) | 18 (24.3) | 74 |
| Midfielder | 3 (1.7) | 72 (39.8) | 69 (38.1) | 37 (20.4) | 181 |
| No position | 1 (4.5) | 10 (45.5) | 11 (50) | 0 (0) | 22 |
aData are reported as count (%) or mean ± SD.