Korbut: This is an uneven bar skill created by Russian gymnast Olga Korbut. It consists of a backwards flip from a stand on the high bar to a re-catch of the high bar. The rules no longer permit gymnasts to do either release moves or dismounts from a stand on the bars.

Olga Korbut Uneven Bars with Korbut Flip slow motion replay (1972 Olympics)

The sound track from this video is crackling and of poor quality, but it is the original announcing that was done on TV in the united states.

This is the same routine without a sound track.