I don't even know if this is the right board, but i think so, however could someone be so gentle to give me a link or two with informations about this structure, I need them for a research.
Searching on Google led me almost to nothing, that's why I'm asking here.
Searching the image gave me a lot, but these 4 appear sufficient for the basics:
https://en.wikipedia.org/wiki/Turning_Torso (see the references too)
And if you're willing to shell out some cash