Mean peak acceleration (g) recorded during headguard testing by brand
| Brand | Test drops (n) | Mean (g) | Minimum (g) | Maximum (g) | SD | Average reduction from baseline (%) |
| Baseline | 5 | 103.80 | 98.48 | 106.08 | 3.03 | – |
| Canterbury Ventilator | 36 | 55.31 | 40.40 | 70.08 | 6.74 | 46.7 |
| Impact RWC Tartan | 36 | 59.42 | 45.84 | 80.41 | 8.56 | 42.8 |
| Optimum Hedweb Classic | 36 | 60.11 | 43.20 | 72.88 | 7.79 | 42.1 |
| Adidas Rugby | 36 | 60.22 | 41.60 | 80.73 | 9.37 | 42.0 |
| Kooga Combat | 36 | 60.71 | 43.28 | 80.01 | 6.61 | 41.5 |
| Gilbert Evolution | 36 | 71.72 | 45.84 | 91.53 | 11.65 | 30.9 |
| XBlades Elite | 36 | 75.31 | 54.16 | 89.61 | 9.12 | 27.4 |