…and obese men in the U.S. don’t do much better at 3.6 hours/year. I exercise vigorously about 50 hours/year.
If you’re not familiar with weight training, a personal trainer is an great idea
myfoxny.com has the story based on a recent article in Mayo Clinic Proceedings. A quote:
What kind of lives are the most inactive people living? “I think they’re living the typical life. They drive their children to school, they sit at a desk all day long, they may play some video games and they go to sleep,” Archer said.
Without a doubt, it’s hard to exercise if you’re markedly obese. Here’s how.
Advanced Mediterranean Diet 
Probably goes along with the data that exercise doesn’t help lose weight but definitely helps from getting fatter.