| Chance |
A factor, but unlikely to fully explain the cluster |
A factor, but unlikely to fully explain the cluster |
| Past injury history of players |
Not a relevant factor |
A factor for 2/4 players |
| Player boot selection |
Not apparently relevant as different boots used, although 3/4 players used blade configuration boots. |
Not apparently relevant as different boots used |
| Specific preventive training |
Players had only done their usual training program |
Players had undertaken a specific program designed to prevent ACL injuries |
| Ground of injuries |
Away |
Home |
| Time of injury (in game) |
2/4 were early in the first half |
3/4 were early in the first half |
| Timing of injuries (in season) |
Mid-season |
3/4 were early in the season after players had undergone limited pre-season preparation |
| Playing surface |
Newly laid bermudagrass squares, of apparently poor quality installation (uneven, heavily sand topdressed) |
Newly laid Kentucky bluegrass/ryegrass squares of apparently good quality; traction 48 Nm. |