Since its start in 1935, roller derby has evolved from a Depression-era fad to TV spectacle to an unabashedly feminist sport ...

Colleen English does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Philly Roller Derby skaters, who go by names like Woolly Slammoth, TrailBlazeHer and Reba Smackentire, have jammed and blocked their way around oval skating rinks in the spirit of feminism ...