The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard part of mainstream bodyweight workouts. It's a top-shelf ab move that can ...

This move engages your triceps, shoulders, upper back, and chest simultaneously while maintaining a solid plank position. But ...

This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal ...

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, ...

The fitness world has embraced a new champion in core training, and traditional sit-ups have taken a backseat. The plank, despite its deceivingly simple appearance, has captured worldwide attention ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As a passionate and proud fitness coach, certified personal trainer, and mom, I know firsthand that ...

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.