This article concerns the effect of playing rules on efforts to prevent concussions in youth sports. We can significantly reduce rates of sports-related concussions by periodically reviewing safety-based playing rules in light of medical learning, and then by assuring their enforcement by coaches, officials and parents who remain committed to sportsmanship and mutual respect in local games.
Douglas E. Abrams, Confronting the Youth Sports Concussion Crisis: A Central Role for Responsible Local Enforcement of Playing Rules, 2 Miss. Sports L. Rev. 75 (2013).