In the US, between 2001 and 2005, there were five activities in which traumatic brain injury accounted for greater than 7.5% of Emergency Department visits for that activity. The five include horseback riding (11.7%), ice-skating (10.4%), riding all-terrain vehicles (8.4%), tobogganing/sledding (8.3%), and bicycling (7.7%). American football accounted for 5.7%. J. Gilchrist, K. Thomas, M. Wald, and J. Langlois, “Nonfatal Traumatic Brain Injuries from Sports and Recreation Activities—United States, 2001–2005,”
