L.A. is where all the fitness trends seem to start, from Tae Bo to P90X, from stripper pole workouts to marathon partying with Lindsay Lohan. Schwarzenegger started out at Gold's Gym in Venice, and the world hasn't been the same since.
Flavio / Flickr
But a funny thing happened to our sunny, coastal city known for its pretty people. We, like the rest of America, got fat. Now L.A. doesn't even rank among the nation's most-fit cities:More »