Table 5.
Example of percentiles established for U14 male players based on the DTB test battery
| Physical tests | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height (cm) | Weight (kg) | BMI | GS (kg) | CMJ (cm) | MB (cm) | SV (km/h) | 10 m (s) | 20 m (s) | SpF (s) | SpB (s) | H&T (level) | |
| Percentiles | ||||||||||||
| 10 | 150.6 | 38.2 | 16.0 | 22.0 | 26.2 | 491.0 | 124.1 | 1.85 | 3.25 | 2.77 | 2.87 | 11.6 |
| 20 | 153.2 | 40.3 | 16.6 | 23.0 | 27.3 | 530.0 | 127.8 | 1.89 | 3.34 | 2.83 | 2.96 | 12.8 |
| 30 | 155.5 | 42.7 | 17.3 | 25.0 | 28.5 | 563.0 | 131.8 | 1.93 | 3.39 | 2.88 | 2.99 | 13.2 |
| 40 | 157.5 | 44.1 | 17.7 | 26.0 | 29.7 | 600.0 | 134.7 | 1.94 | 3.42 | 2.91 | 3.04 | 14.0 |
| 50 | 160.0 | 45.7 | 18,0 | 27.0 | 30.6 | 635.0 | 136.3 | 1.97 | 3.47 | 2.94 | 3.07 | 14.0 |
| 60 | 161.8 | 47.7 | 18.5 | 28.0 | 32.0 | 668.0 | 138.0 | 1.99 | 3.51 | 2.99 | 3.11 | 14.7 |
| 70 | 163.6 | 50.6 | 19.0 | 30.0 | 33.2 | 688.5 | 142.9 | 2.01 | 3.56 | 3.03 | 3.16 | 15.0 |
| 80 | 167.5 | 53.3 | 19.7 | 33.0 | 34.6 | 718.0 | 146.8 | 2.04 | 3.60 | 3.09 | 3.21 | 15.6 |
| 90 | 172.5 | 58.7 | 20.4 | 37.0 | 36.4 | 770.0 | 154.3 | 2.09 | 3.68 | 3.18 | 3.29 | 17.0 |
BMI, body mass index; CMJ, countermovement jump; DTB, German Tennis Federation; GS, grip strength dominant hand; H&T, Hit and Turn; MB, overhead medicine ball throw; SPb, shuttle sprint to the backhand; SPf, shuttle sprint to the forehand; SV, serve velocity.