The plank feels endless—but it’s one of the most effective core exercises. Your ideal hold time depends on your age, fitness ...

Margot Robbie, pictured here on the set of the "Barbie" movie wearing a pink and white gingham dress, trained with David Higgins to get into top character shape. (Photo: Everett Collection) This ...

Fitness experts say people should be able to hold a plank for anywhere from 20 seconds up to two minutes, depending on their age. An 80-year-old Florida man has blown that goal out of the water, ...

On Well+Good's YouTube series "Good Moves," trainer Liv McIlkenny demonstrates a fiery 10-minute plank series that works your entire body. Can’t find an hour in the day to exercise? No problem.

Although Erika Rischko set a new nine-minute plank record at the end of August, it wasn't a feat she'd set herself the goal of accomplishing. As it turns out, the 85-year-old fitness influencer from ...