Now let's look at the deformers for the Abdomen (Top) ...

First up is the yRotate deformer ...

Be careful, don't confuse the ...

yRotate parameter for the Abdomen aka "twist"

... with the ...

yRotate deformer for Abdomen aka "twisty"

Note that this deformer affects polygons in the Hip (Bottom) area, also.

More Abdomen deformers ... Next ...

Remember ... "With Poser, all things are possible, and poseable!"

cheers,

dr geep ... :o]

edited 10/5/2019