Is my hen sick?

[btodd22]

She is usually a very lively hen and is always talking! But lately she has been walking around with that kind of hunchbacked look and she has been in kind of slow motion. Is she sick or is this natural at this time of year?

 

[PeepersMama]

Is she growling and/or spending alot of time in the box? She looks like a broody to me. If she isn't then she is very likely sick.