<Tr> <Th_colspan="2"> Presence </Th> </Tr> <Tr> <Th> Olympic </Th> <Td> Part of the Winter Olympics from 1976 (demonstration event in 1968) </Td> </Tr> <P> Ice dancing is a discipline of figure skating that draws from ballroom dancing . It joined the World Figure Skating Championships in 1952, and became a Winter Olympic Games medal sport in 1976 . </P> <P> As in pair skating, dancers compete as a couple consisting of a man and a woman . Ice dance differs from pair skating by having different requirements for lifts . Couples must perform spins as a team in a dance hold, and throws and jumps are disallowed . Typically, partners are not supposed to separate by more than two arm lengths . Originally, partners were supposed to be in a dance hold the entire program, though modern ice dancing has lifted this restriction somewhat . </P>

When was ice dancing introduced in the olympics