Ensure that you are walking your dog daily (good for you and them!).
Tossing a ball for a dog is fun, but doesn’t provide a balanced exercise plan. Check with your veterinarian to make sure your dog can safely participate in a fitness program.
The Penn Vet Working Dog Center has developed a foundational Fit to Work program for its working dogs, check it out.
(A Formalized Method for Assessing and Developing Foundational Canine Physical Fitness)