Hydrotherapy is just as beneficial for dogs as it is for the ones who love them. Swimming is one of the best total body exercises that can help to keep our pets fit. Water therapy can increase endurance, increase muscle mass, and is an excellent cardiovascular workout. It is also great for senior dogs that suffer from arthritis because it increases flexibility. There is also no better physical therapy for injured pets than spending time in a pool. The water allows pets to feel weightless and there is less strain on their joints and muscles.