Jan. 3, 2006— -- Dave Zinczenko's book, "The Abs Diet," was a hit that inspired videos, magazine articles and a Web site where people shared their success stories. But all workout programs need ...

THE TRUE ROUTE to core strength—and to the hard, toned look many guys seek—has always been about more than crunches and hours of cardio. To shed belly fat and build brick-strong abs, you have to train ...