Table 4 Frequency of video verified direct head impacts by game time and playing position
Sensor recorded and video verified ≥ 20 g | Verified direct head impacts ≥ 20 g | ||||
|---|---|---|---|---|---|
Playing hours (min) | Game impacts (n) | Impacts per game hour (n) | Game impacts (n) | Impacts per game hour (n) | |
1st half | 41.3 (2479) | 271 | 6.6 | 192 | 4.6 |
2nd half | 38.1 (2283) | 293 | 7.7 | 221 | 5.8 |
Forwards | 38.1 (2283) | 388 | 10.2 | 291 | 7.6 |
Backs | 41.3 (2479) | 176 | 4.3 | 122 | 3.0 |
Total sample | 79.4 (4762) | 564 | 7.1 | 413 | 5.2 |