She's very bendy.
I wanted at least one superheroine in the cast besides Mary Marvel to have a less than the ridiculous-proportioned body traditional to modern comics. So I wanted Miss Fury to have a lithe, athletic body without the huge super boobs.
Also, what was I thinking trying to draw this yoga pose?
Created in Clip Studio Paint Pro on a Surface Pro 4 (which is my complete, portable art gallery). Here is the time lapse video: