Originally Posted by Alwaysbehind
I think there is a difference between a fluid seat and posting.....
I might be wrong, posting might not be what the OP is describing. But there are people who post at the canter. Truly post. (That is what I have heard it referred to also.)
I showed KCHFuller the difference yesterday. Our trainer doesn't teach it, nor advocate its use in any way nor do I do it in the show ring, but it has its purpose for me in a warmup.