Victoria's Secret models and best friends in fitness Jasmine Tookes and Josephine Skriver know how to have fun at the gym. The pair gathers their favorite exercise moves into a joint Instagram account ...

There's no doubt about it: the humble plank is an elite full-body move. It might look easy, but maintaining a perfectly executed plank hold for any length of time earns you legitimate bragging rights, ...

You can strengthen your core by holding planks longer and trying different plank moves. Try avoiding common plank mistakes like dropping your hips or holding your breath. There are also several plank ...

Plank is the most straightforward exercise out there: you go down on all fours and keep your body straight as long as possible. Or, wait, are you supposed to do planks on your elbows? What about side ...

Side plants target the obliques, protect your spine, and strengthen your core, along with other benefits. To get the full effect, make sure you use the proper form. You can also try variations. The ...

The plank challenge is a 30-day program to strengthen the core and build up endurance. Each day of the challenge, you’ll gradually increase the amount of time that you hold a plank. By day 12 of the ...