Many dogs take a while to get strong in that rear leg. Swimming is great for building cardiovascular endurance but what's even better (as we were told by rehab vets), is to walk in water. That will build resistance, and strengthen. Fill the tub with just enough water to reach about the middle of her legs, then have her walk through it. You can try using treats to get her to walk instead of just splashing around. 

In this story about Spree and her rehab, you can see this photo of how it's done:

Also, don't forget about these easy and fun core-strengthening exercises in our Gear blog .

Let us know how Bitty does! We would love to hear about your experience.