Low Horizontal Force Production Capacity during Sprinting as a Potential Risk Factor of Hamstring Injury in Football
Bibliographic Data
Clear decreases in horizontal force production capacity during sprint acceleration have been reported after hamstring injuries (HI) in football players. We hypothesized that lower F H 0 is associated with a higher HI occurrence in football players. We aimed to analyze the association between sprint running horizontal force production capacities at low ( F H 0 ) and high ( V 0 ) velocities, and HI occurrence in football. This prospective cohort study included 284 football players over one season. All players performed 30 m field sprints at the beginning and different times during the season. Sprint velocity data were used to compute sprint mechanical properties. Players' injury data were prospectively collected during the entire season. Cox regression analyses were performed using new HI as the outcome, and horizontal force production capacity ( F H 0 and V 0 ) was used at the start of the season (model 1) and at each measurement time point within the season (model 2) as explanatory variables, adjusted for individual players' (model 2) age, geographical group of players, height, body mass, and previous HI, with cumulative hours of football practice as the time scale. A total of 47 new HI (20% of all injuries) were observed in 38 out of 284 players (13%). There were no associations between F H 0 and/or V 0 values at the start of the season and new HI occurrence during the season (model 1). During the season, a total of 801 measurements were performed, from one to six per player. Lower measured F H 0 values were significantly associated with a higher risk of sustaining HI within the weeks following sprint measurement (HR = 2.67 (95% CI: 1.51 to 4.73), p F H 0 ) may be considered as a potential additional factor associated with HI risk in a comprehensive, multifactorial, and individualized approach
Economics · Football · Geography · Hamstring · Hamstring injury · Injury prevention · Medical emergency · Physical medicine and rehabilitation · Poison control · Production (economics · Environmental Science · Human Factors and Ergonomics · Medicine · Shoulder Injury and Treatment · Sports injuries and prevention · Sports Performance and Training
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