Outcomes
lower limb injury, sudden-onset, gradual-onset injuries, injuries
ADVERSE EVENTS, EVENTS
The primary outcomes were any physical complaint injury to either of three lower limb injury locations: hamstring, knee or ankle (hypothesis 1) or to the groin (hypothesis 2). Secondary outcomes were all physical complaint injuries irrespective of location, time-loss injuries, sudden-onset or gradual-onset injuries, substantial and medical attention injuries, adverse events, team and player compliance.Injury incidence rate (IR) was expressed as the number of new and recurrent injury events per 1000 football hours. All sudden-onset injuries occurring during football training or matches and all gradual-onset injuries regardless of whether symptoms first appeared during football or other activities were included. Weekly injury prevalence rate (PR) was expressed as number of player reports where a player reported new or ongoing injury divided by the total number of eligible player reports that same week.Compliance to the interventions was described as the weekly dosage based on coach (team compliance) and player weekly reports (player compliance).