The runner's plank is an alternative I use as a certified trainer when sit-ups aren't possible, and this is exactly how to do ...

Planks are a great exercise for your core and entire body. Here's how to do a few different types of planks to get the health benefits.

Most people don't feel excited by the idea of holding a plank. Of all the workouts out there, it may just be the most brutal. And there's a reason for this: a plank works just about every part of your ...

These 20 ab exercises and workouts will strengthen your core, whether your ultimate goal is building a six-pack or just ...

The next level of course would be the side plank, a challenging variation of the original abdominal bad boy. The side plank is going to teach you how to brace your core in order to build your obliques ...

Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are numerous ...

‘In your 20s and 30s, being able to plank for 45-60 seconds is a solid marker of good core endurance,’ says PT Joseph Webb, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When you think of Copenhagen, smoked fish and bike lanes might come to mind. But in the fitness world, it ...

When I heard the record for a woman holding an abdominal plank was measured in hours and not minutes (a whopping 4 hours 19 minutes and 55 seconds), I honestly couldn't believe it. I get the full-body ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...