What is Dolphin Kicking?

So Dolphin Kicking by definition, it’s a swimming kick used to mainly in Butterfly, which the legs are extended straight back and they move up and down in unison with a slight bend in the knees on the upward movement. So Dolphin Kicking gets its’ name for the fact that the motion is similar to that of a dolphin. And I’ll show you guys some research that they did with Dana Vollmer, back in 2008 where they tracked her body movement, similar to that body movement of a dolphin, and she’s actually pretty darn close with her dolphin kicking technique to being very close to a dolphins actual kick.