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)
| 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 |
W watts, CMJ countermovement jump, 3RM three repetition maximum, L left, R right
*> 2 years resistance training experience
**> 6 to < 12 months resistance training experience