I was thinking that maybe if you leaned into practicing the versions that twist, learning to control the extra movement intentionally might help learning to stop it when you don't want it?Half maias yes, probably not "muliplanar eights"!
"Camel" is another one of those moves with a general theme (body undulation in the front-back plane), but regional variety in how it is applied.A "Camel" is a a "full body undulation" here, what we would call a "lower body undulation" or "lower camel" is simply a "Camel" here. Then there's an Egyptian instructor who eschews all these names altogether, "its the Nile River! - whatever you want to call it..."
I don't know if Ava teaches it on a video. I got it from a workshop with her...a hellish workshop where she had everybody practice this for what seemed like an hour while she went around and personally evaluated and corrected each student. I've never been so sore after a workshop!Not familiar with Ava's method, never had the opportunity to study with her.