Limping dog

Question
I came back from work today and I noticed my dog was limping. When she walks she doesn't put pressure on the leg but she doesn't seem in pain. She keeps running around and playing with my cat.  I checked to see if it was a thorn or something. I don't know if she strained her leg or broke on of the bones in her paw.

Answer
Back leg limps can be so many things- a hip muscle that is strained, a torn ACL ligament in the knee, a sore foot. I would get her a day or so then get her into your vets. You don't want to wait too long because if this is a serious tear of the ligament she might need surgery.

Dog's often will limp on a leg if their knee-cap locks into place. This is a condition known as a luxating patella. Your vet can better tell you what is going on with her leg and if she has a real problem or just strained it.

As I said, however, don't wait too long to get her into the vets.