For high school girls and college women, cheerleading is by far the most dangerous sport for girls. Cheer accounts for 65 percent of all catastrophic injuries in girls’ high school athletics, shows a recent report by the National Center for Catastrophic Sport Injury Research at the University of North Carolina. Learn what precautions to take before an injury happens and how to treat one if it does. Over the past few decades, cheerleading has evolved from leading the crowd in cheers at football games to a competitive, year-round sport featuring complex acrobatic stunts performed by a growing number of athletes – and as a result the number and severity of injuries from cheerleading has also surged.