Participants’ characteristics (n=317)
| Mean±SD (95% CI) | |
| Age (years) | 19.8±1.3 (19.6 to 20.0) |
| Height (cm) | 174.3±5.9 (173.6 to 175.1) |
| Weight (kg) | 86.9±10.0 (85.6 to 88.1) |
| BMI | 28.6±2.9 (28.2 to 28.9) |
| Experience (year) | 12.2±3.3 (11.8 to 12.6) |
| Position | N (%) |
| Front row | 58 (18.3) |
| Lock | 26 (8.2) |
| Back row | 104 (32.8) |
| Scrum half | 22 (6.9) |
| Fly half | 32 (10.1) |
| Inside backs (CTB) | 44 (13.9) |
| Outside backs (WTB and FB) | 31 (9.8) |
BMI, body mass index; CTB, centre three quarter backs; N, number of participants; WTB, wing.