Of the United States ' 2.9 million female high school athletes , only 3 % are cheerleaders .
Cheerleading accounts for nearly 65 % of all catastrophic injuries in girls ' high school athletics .
Of the United States ' 2.9 million female high school athletes , only 3 % are cheerleaders , yet cheerleading accounts for nearly 65 % of all catastrophic injuries in girls ' high school athletics .