Hunter, I was most impressed, amazed and startled by Akuzawa Sensei's telling me that you keep your power inside yourself and that all techniques are actually done within yourself--that what happens to the opponent is because he responds to how you're managing yourself. Of course, at the same time, I know he uses the term nyu ryoku, meaning to "input power" to the other person...
But my impression is that you channel the internal pressure into your arms and legs but don't let it actually go out of yourself.
Of course, I'm still scratching my head over all that....
Everything returns. This is one of the easiest differences to demonstrate who are used to some of the Ki Society tricks like the unbendable arm. What you're doing is qualitatively different than the old, "arm like fire-hose" analogy, it's a loop or a filling sensation. When I'm working with people who are new to pushout, I often tell them to attempt to make themselves larger rather than to think of pushing me away from them.