When lifting weights, a good rule is resting for 48 hours of recovery time per muscle group, fitness experts say.

The exercise program promised shredded abs and bulging biceps for anyone who pushed themselves to their limits for 90 days of 90-minute workouts. So it may come as a surprise that its creator, Tony ...

where he’ll spend the next 40 minutes telling the story of overcoming bullying and a speech impediment to build a fitness empire that includes workouts, books, a T-shirt line, along with a hair and ...

Tony Horton, now preaches the benefits of rest and warns against overtraining. “I didn’t know then what I know now,” said Horton, who had spent the ’90s training celebrities.

Tony Horton, now preaches the benefits of rest and warns against overtraining. "I didn't know then what I know now," said Horton, who had spent the '90s training celebrities. "Back then it was all ...

The exercise program promised shredded abs and bulging biceps for anyone who pushed themselves to their limits for 90 days of 90-minute workouts. So it may come as a surprise that its creator, Tony ...