Zeus the pit bull helps his owner slog through interval training and military
crawls, Goldie and her master enjoy Tai Chi together and Izzie the three-legged
shih tzu can't hike up the mountain but she acts as a hand weight for her
owner's bicep curl.
Becker cited statistics he said show that 56% of dogs and cats and 66% of
people are overweight in America.
"And dogs do their own stretches."