Only a few days after surgery, when Darcy was all unsettled (but depressed), the vet told me to take her out for a walk. I thought he was plain nuts (and I think I may have said something along these lines to him ) but we did follow his advice and took her in the car and let her have a very short, very controlled walk - and she felt better for it. I wonder whether your vet would allow the same for Polli?