The exercise program promised shredded abs and ... So it may come as a surprise that its creator, Tony Horton, now preaches the benefits of rest and warns against overtraining.

A group of young Republicans are devoted followers of Tony Horton's P90X workout routines. Kelsey Hubbard talks to the celebrity fitness trainer about his workout regimen and putting congressman ...

The crowd slowly makes its way up the escalator and assembles inside an auditorium where fitness guru Tony Horton is set to take the stage to give the keynote address at the 24th annual canfitpro ...

We chatted with three fitness pros to find out if Pilates vs. weight training is better for your overall fitness. Here's what they said. Experts weigh in on a popular fitness question: Should you ...