Roller derby is a team sport played on roller skates on an oval track. Originally a trademarked product developed out of speed skating demonstrations, the

Standard roller skate (quad) trucks compared to 3 inch wide skate board (Penny) trucks (bottom). Otherwise known as “park skating”, popularized by Chicks in Bowls[

Roller hockey is the overarching name for a rollersport that existed long before inline skates were invented, and thus has various names. Quad skate roller hockey has

AKA: Shuffle Skating, Strut Skating, Bounce Skating, Training, Rubber legging Among skaters not committed to a particular discipline, a popular social activity is the group skate,

Speed skating originally started on traditional roller skates, quads or four wheels per skate. The first organized, national competition was held in 1938 in Detroit

A team of skaters (usually counted in multiples of four) creates various patterns and movements to music. Often used elements include skating in a line,