Dog, lab, fully trained; never any problems; I just broke my leg; can't take her for a walk and she won't go when leashed and put outside.

Dpgs are creaturs of routine and habbit. Are you able to sit out side with your dog while he does his business?

With the changes and stress in your home, has your dog been eating and drinking normally?

You should have someone walk her for you because if she doesn't go that could lead to a blader infection and I would know I am a vet in training
So I would recommend that you get someone to walk her for you.