What is the scissors kick fosbury flop and straddle roll?

The scissors kick is a move in synchronized swimming where one swimmer performs a vertical split with their legs while the other swimmer holds their partner and rotates them around.

The Fosbury flop is a technique used in high jump where the jumper goes over the bar head first with their back to the bar.

The straddle roll is a move used in gymnastics in which the athlete jumps into a straddle split and then rolls over onto their back, landing in a seated position.