Shuttle run performance was significantly improved in post-test scores for INT players ( p < 0.05), but did not change significantly for the CON players. 30-m sprint performance of both groups improved from pre- to post-test ( p < 0.05). INT also demonstrated significantly higher hamstring to quadriceps strength ratio (H/Q) after the intervention ( p < 0.05), while the CON H/Q did not change significantly.
Post-test INT knee flexor strength was significantly higher than pre-test scores ( p < 0.05). The intervention lasted for eight weeks and performance assessments were completed pre- and post-intervention.
Twenty youth soccer players were randomly divided into an intervention group (INT) and a control group (CON). The purpose of this study was to look at the effect of implementing the FIFA 11+ intervention on strength, speed, and agility. FIFA 11+ has previously been studied for its efficacy as an injury prevention program, but not for its effect on sports performance in an adolescent population. FIFA 11+ was developed as an intervention to help prevent such injuries. There is a high occurrence of musculoskeletal injuries reported in soccer. Soccer is the world’s game, and keeping athletes healthy while playing the game has often been a focus of study.
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