Objective: To investigate the effectiveness of a 10-week hamstring exercise training program in reducing the incidence and severity of new and recurrent hamstring injuries among male soccer players. Design: Cluster-randomized (by team) controlled trial, stratified by level of play and geographic location. Sample size was calculated with 80% power to show a relative risk reduction for injury of 50% at P < 0.05.Setting: Soccer community study in Denmark during the period January to December 2008.
展开▼
