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.

Your entire body depends on a strong core. It's the "control center," so to speak, providing stability and power to your ...

Maintaining a strong, stable core is among the most common fitness recommendations given to everyone from athletes to people with chronic pain. Terms like "core exercise" and "core activation" get a ...

If you're one of the 1.3k people who search 'McGill Big 3' every month, you're probably well-versed in what a 'core' actually means; you know it's more than just a ‘six-pack’, and that sit ups aren't ...

It's tough to find a fitness test that can reveal your true strength in under two minutes, but this 90-second plank is one of them. While this plank test may look simple, it feels anything but. And ...