Why the study?
Does limiting contact in practices reduce head impact exposure in youth football players aged 9-12?
Population
50 youth football players, age 9-12 (mean age 11.0 ± 1.1 years) on three teams.
Comparison
Concerted effort to limit contact in practices vs Standard practice structure
Design
Cohort
Follow-up
single season
Authors
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Contact limitation was associated with fewer head impacts; hypothesis-generating for youth football policies pending controlled trials.
Does limiting contact in practices reduce head impact exposure in youth football players aged 9-12?
Limiting contact during youth football practices can appreciably reduce head impact exposure.
Cobb et al. (2013) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: