Proportion of stress fractures that were recurrent, by sport, in 25 National Collegiate Athletic Association sports, 2004–2005 through 2013–2014. Sports with stress fracture counts <10 were excluded from this figure (ie, men's wrestling and ice hockey and women's ice hockey, swimming and diving, tennis, and indoor track). a Includes only sports in which both sexes participated (ie, baseball/softball, basketball, cross-country, ice hockey, lacrosse, soccer, swimming and diving, tennis, indoor track, and outdoor track).