Markelov: A men’s and women’s high bar release move, that is essentially a vault catch.

Here is a video of both Svetlana Khorkina and Courtney Kupets, both doing Markelovs on the uneven bars:

Here is a video of Soviet gymnast, Vladimir Markelov, who is performing on high bar during the All-Around competition at the 1976 Olympics.  He performs the “Markelov” at about :43 in the video: