I just wrote a new post about the upper body in ballet. It is pretty technical at this point, but I'm going to add a section over the weekend elaborating on how all that material works in performance.

Oops, made a mistake when posting my latest entry. It is now visible here.

I've updated my latest post; to see it, click the link in my signature and scroll down until you see the three asterisks in the post at the top of the page.