The lovely Caryn Kadavy showing her lovely Rump Eagle. When Rump Eagles are outlawed, only outlaws will do Rump Eagles. One of the most beloved moves in figure skating, it's also one of the easiest for people with open hips. It's as easy as walking. For people without open hips it's a nightmare.
Some people can torque themselves into a very strained looking spread eagle.
The further their rump is sticking out, the more strain they are putting into it. Rump Eagles should be outlawed. Finally, there are some people who are incapable of getting into a spread eagle no matter what they do. It has nothing to do with skill. A good spread eagle is fast and on a deep edge.