Just2chickens
Songster
You can also try vitamin E with the b_ complex, I had something like this about 2 months ago, she´s all better now.
Here´s the link to it with video
https://www.backyardchickens.com/threads/hen-not-able-to-sit-down-sinks-down-to-one-side.1677877/
Here´s the link to it with video
https://www.backyardchickens.com/threads/hen-not-able-to-sit-down-sinks-down-to-one-side.1677877/
