Table 1

Operationalised study definitions

TerminologyOperationalised definition
InjuryAny injury resulting in the individual being unable to take part in full rugby activities for >24 hours from midnight after the day the injury occurred19 37
Injury severityDays lost starting from the day after they were unable to participate to when they were fully available for training or match play38
Injury incidenceInjuries per 1000 player-hours of rugby (training or match) exposure19
Injury burdenInjury incidence × injury severity=days lost per 1000 player-hours of rugby (training or match) exposure38
Adoption Activate used in a team rugby session at least once during the study period (self-reported ‘yes/no’ by the gatekeeper)
Non-adoption Activate was not used in a team rugby session at all during the study period (self-reported ‘yes/no’ by the gatekeeper)
AdherenceIndividual median no. of Activate sessions completed per week
Cumulative utilisationPercentage of team rugby sessions Activate was used at26
Utilisation frequencyMean no. of team Activate sessions per week26
Utilisation fidelityMean no. of Activate exercises used per team session26