YOU PROBABLY THINK you know how to do a plank. The ab training staple is relatively simple, after all—boiled down to the basics, all you need to do is get down on the ground and hold in place.

Skip ab machines. Build a stronger core after 40 with 4 bodyweight moves: shoulder taps, dead bugs, side planks, hollow holds.

Planks are the MacGyver of bodyweight movements: They’re super tough and great for almost any situation. The versatile move is best known for working your core, but planks also engage more than 20 ...

A basic plank is a great way to work your abs using only your body, but doing the same moves can get boring over time. This video is filled with plank variations that keep you engaged and will help ...

Ah, the plank. It may just be one of the most intimidating exercises. Anyone who has shook their way through one knows that the isometric exercise appears simple, but is anything but. To the contrary, ...

Looking to tone up, slim down or build muscle? Odds are everyone is looking to do one of these three things. There is one exercise we all love to hate that targets all of our problem areas—the plank.

Celebrity trainer Kira Stokes loves making fitness more fun. The New York City–based certified trainer, fitness instructor, and creator of the Stoked Method whose clients include Fuller House actor ...