Maybe try re posting with a different title, like " leg problem" someone with more experience may know what's up. Fingers crossed its something simple.
I think they'll except her but it could take some time try to do it progressively ( put her in a pet carrier in the coop when she first goes back for a bit) I would think they picked her one that side partly to investigate, maybe she even picked her self a bit too, could be a lot of things...
The green poo could be from eating a lot of greens. Could also be worms... Apparently it could also be a sign of an E.coli infection, even kidney and liver failure ( don't panic just something i read, and may have miss understood )
If she is egg bound you can probably feel an egg if you press...