I’m working on a bust study and have spent the last hour trying to get the twist of the gesture right with masking, transpose lines, move brush etc. A lattice cage like the one in Maya would make this so much easier, just wondering if there is a similar tool in Zbrush.
the closest i think you’ll find is zsphere rigging
http://docs.pixologic.com/user-guide/3d-modeling/posing-your-model/rigging/
http://pixologic.com/zclassroom/homeroom/lesson/zspheres-getting-started
You could goZ your Zbrush model to Maya, apply the deformer and goZ back to Zbrush. I have attached screen shots from Zbrush and Maya. Hope this helps and hope the attachment works.
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