We recently started working on a back wave undulation from a kneeling position and we talked about the basic technique of how to start this move.
check out this video here >>>>
The beginning of this move leads us to the "Snake" or a simple undulation while on your knees.
Watch the video to see how this move is done. I apologize that my technique is not perfect here because of my broken disk in the back and my bad knees from too much running in the past! I am damaged :) But I am trying ...