Archived project

Injury prevention in children’s football “11+ Kids”: a cluster randomised controlled trial

Goal: We assessed epidemiological data on injuries in children’s football and designed the age-specific injury prevention programme “11+ Kids”. The programme has shown to induce improvements in motor performance in a pilot study.
Based on our previous work we designed the subsequent multicentre intervention study on injury prevention in children’s football to assess the effectiveness of “11+ Kids” regarding injury reduction.

Date: 1 April 2012 - 22 December 2017

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Roland Rössler
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Download “11+ Kids Full Manual” (PDF) for free:
Download “11+ Kids Poster” (PDF) for free:
Here the related original article (open access):
Keywords:
soccer; sport injury prevention program; young players; youth athletes; juniors; sport accidents; public health; RCT; epidemiology, injury risk, injury prevention; exercise-based; performance; enhancement; improvement; sprint; balance; agility
 
Roland Rössler
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Objective: The objective of this study was to assess the efficacy of a newly developed warm-up programme ('11+ Kids') regarding its potential to reduce injuries in children's football. Methods: Children's football teams (under 9 years, under 11 years, and under 13 years age groups) from Switzerland, Germany, the Czech Republic and the Netherlands were invited. Clubs were randomised to an intervention group and a control group, and followed for one season. The intervention group replaced their usual warm-up by '11+ Kids', while the control group warmed up as usual. The primary outcome was the overall risk of football-related injuries. Secondary outcomes were the risks of severe and lower extremity injuries. We calculated hazard ratios using extended Cox models, and performed a compliance analysis. Results: In total, 292,749 h of football exposure of 3895 players were recorded. The mean age of players was 10.8 (standard deviation 1.4) years. During the study period, 374 (intervention group = 139; control group = 235) injuries occurred. The overall injury rate in the intervention group was reduced by 48% compared with the control group (hazard ratio 0.52; 95% confidence interval 0.32-0.86). Severe (74% reduction, hazard ratio 0.26; 95% confidence interval 0.10-0.64) and lower extremity injuries (55% reduction, hazard ratio 0.45; 95% confidence interval 0.24-0.84) were also reduced. Injury incidence decreased with increasing compliance. Conclusion: '11+ Kids' is efficacious in reducing injuries in children's football. We observed considerable effects for overall, severe and lower extremity injuries. The programme should be performed at least once per week to profit from an injury preventive effect. However, two sessions per week can be recommended to further increase the protective benefit. Trial registration: ClinicalTrials.gov identifier: NCT02222025.
Roland Rössler
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"11+ Kids" Warm-Up Program Reduces Injuries in Children’s Football (Soccer)
Open Access at Sports Med:
 
Roland Rössler
added a project goal
We assessed epidemiological data on injuries in children’s football and designed the age-specific injury prevention programme “11+ Kids”. The programme has shown to induce improvements in motor performance in a pilot study.
Based on our previous work we designed the subsequent multicentre intervention study on injury prevention in children’s football to assess the effectiveness of “11+ Kids” regarding injury reduction.