I just ask the reader to look at the end of the video starting at frame 24:04.keep your mouse on 24:04 Play it over and over. Notice how the pole make contact with the hip with the opposite leg.
Notice the swinging shoulders with the opposite leg. Notice the perfect rythym.
Notice the swinging forward of the left elbow and how that adds balance to the inertia of the Pole/Vaulter system.
Now going into plant (you will have to play it over several times as you look how the hand comes forwars at each step.) notice how the pole still comes forward on the on the left (Third step out) bot not quite as far because he is turning the pole over at this point.
Notice the the left and come forward to plant the pole on the Penultimate. Finally, notice how the plant (Right) hand moves in the forward direction with plant (left) foot. Now play the whole thing over and over. You will notice the perfect harmony and rythm. It's Beautiful!
https://www.youtube.com/watch?v=LhqEdocpfcM
Every jot and every tittle adds up to more than just a little.