Table 5 Muscular strength and power qualities of youth rugby union players categorised by age, level and playing position (data presented as mean and standard deviation)
From: Applied Sport Science for Male Age-Grade Rugby Union in England
Age category | Participants including level, position and reference | Sample size (n) | PPO watt bike test (W) | CMJ height (cm) | 3RM back squat (kg) | 3RM front squat (kg) | 3RM split squat (kg) | 3RM bench press (kg) | 3RM prone row (kg) | 3RM chin up (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
Under 14 | Academy [64] | 5 | 1054 ± 263 |  |  |  |  |  |  |  |
Under 15 | Academy [64] | 19 | 1208 ± 193 |  |  |  |  |  |  |  |
Under 16 | Academy [62] | 29 |  | 33.5 ± 4.8 |  |  |  |  |  |  |
|  | Academy [64] | 24 | 1242 ± 166 |  |  |  |  |  |  |  |
Under 17 | Academy [64] | 4 | 1443 ± 41 |  |  |  |  |  |  |  |
Under 18 | Academy [62] | 23 |  | 39.5 ± 6.1 |  | 88.6 ± 10.8 | L = 62.2 ± 13.1 R = 62.2 ± 13.1 | 82.6 ± 10.8 | 84.6 ± 10.8 | 101.0 ± 10.2 |
School [65] | 129 |  |  |  |  |  | 67.7 ± 15.5 |  | 90.3 ± 12.6 | |
Academy [65] | 55 |  |  |  |  |  | 88.3 ± 12.7 |  | 96.3 ± 12.6 | |
School [46] | 35 |  | 33.8 ± 5.20 | 77.4 ± 32.6 |  |  | 68.5 ± 12.8 |  | 88.0 ± 11.2 | |
School experienced *[67] | 14 |  |  |  | 103.0 ± 17.4 |  | 92.1 ± 16.5 |  | 103.7 ± 14.7 | |
School in-experienced** [67] | 11 |  |  |  | 87.5 ± 12.8 |  | 95.0 ± 13.0 |  | 73.2 ± 15.7 | |
School [66] | 15 |  |  | 88.8 ± 18.8 |  |  |  |  |  | |
Under 21 | Academy [62] | 15 |  | 47.1 ± 3.6 |  | 118.2 ± 17.8 | L = 112.8 ± 15.6 R = 113.9 ± 14.1 | 108.2 ± 14.1 | 96.8 ± 8.2 | 125.3 ± 13.2 |