Classic NeoGeo games were known for having unused data in their product version releases. KOF96 was one of them which featured a number of insane supers, many of which went beyond the understanding of all physics.
This new footage uploaded to Nico by user Jisupeke isn't as nuts, but it still features some wacky stuff including the Sagat-style punch that Yuri is smashing out in the example picture. A lot of the moves were implemented in later iterations of the franchise.
http://www.nicovideo.jp/watch/sm27878498 - (Or click here if you don't have a Nico account)