Popularized in the 2009 Drew Barrymore film, Whip It, roller derby is one of the fastest growing sports for women worldwide ... version began in the early 2000s. Players wear four-wheeled ...

The WFTDA, which governs flat-track roller derby, had formed just one year prior with a goal of “revolutioniz[ing] the role of women in sports.” I’m a kinesiology professor who studies ...