Tackle-related injury frequencies and rates in rugby sevens (all levels of play)
| Study | Cohort | Injury definition | Injury frequency | Injury rate |
| Fuller et al161 | International World Sevens Series teams | Time-loss (>1 day) | 52% (34% tackled, 18% tackling) | N/A |
| Lopez et al46 | US amateur rugby union sevens teams (including women) | Overall and time-loss (>1 day) | 75% (95% CI 60 to 85) | 40.4/1000 hours (95% CI 28.6 to 55.6) |
| Fuller et al44 | International World Sevens Series teams | Time-loss (>1 day) | 54% (32% tackled [95% CI 27.1 to 37.6]; 22% tackling [95% CI 17.1 to 26.3]) | N/A |
| Fuller et al43 | International World Sevens Series teams | Time-loss (>1 day) | 55% (33% tackled, 22% tackling) | N/A |
| Ma et al47 | US women’s rugby union sevens teams (under-19 to professional) | Time -loss (>1 day) | 72%±8.5% (41% tackled, 31% tackling) | N/A |
| Rizi et al162 | Hong Kong University rugby teams | Time-loss (>1 day) | 65% (29% tackled, 29% tackling, 7% tackle collision, ie, no use of arm) | N/A |
| Cruz-Ferreira et al163 | Tier 1 and tier 2 Portuguese national senior male rugby teams | Time-loss (>1 day) | 57.1% (38.1% tackled [95% CI 17.6% to 60.0%]; 19% tackling [95% CI 4.8% to 38.1%]) | N/A |
| Cruz-Ferreira et al163 | Tier 1 Portuguese national senior male rugby Sevens teams | Time-loss (>1 day) | 57.2% (42.9% tackled [95% CI 15.4% to 70.0%]; 14.3% tackling [95% CI 0% to 35.7%]) | N/A |
| Cruz-Ferreira et al163 | Tier 2 Portuguese national senior male rugby Sevens teams | Time-loss (>1 day) | 57.2% (28.6% tackled [95% CI 0% to 66.7%]; 28.6% tackling [95% CI 0% to 66.7%]) | N/A |
N/A, not applicable.