The plank is a simple yet highly effective bodyweight exercise that builds core strength and stability using the benefits of isometric contractions. This foundational move is crucial for anyone ...

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.

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 ...