Limping Chickens

[Gail Laubenthal]

It's possible they sprained or strained a tendon or ligament hopping down from a high roost or other high object, it happens frequently. Here's a link how to treat these types of injuries:
Post #2 & post #4:
https://www.backyardchickens.com/threads/limping-chicken.1243650/

Thanks for the link. I will try this.