I have had quite a few pups go through physical therapy for various conditions and find it a pretty amazing thing to watch!
I just googled spinal stroke rehab in dogs and found the following links that are very interesting. It looks like the dog in the videos, Reba, is in worse shape than your Cobi, but it might be of interest to you.
Canine Stroke Rehabilitation: Part 1 - Veterinary Medicine Videos - The Doctor's Channel Canine Stroke Rehabilitation: Part 2 - Veterinary Medicine Videos - The Doctor's Channel