NUMBER CRUNCHING Sports injuries Sports and athletic organizations are calling for increased vigilance and prevention of sports-related injuries, particularly among young children. The move is understandable, considering current statistics. 66 percentage of sports-related injuries among Canadian adolescents 12 to 15 youth age group with highest number of sports concussions 4. 3 million number of youths who suffer serious sports injuries every year 3.5 million number of children and teens who participate in some form of organized sports in the U.S.