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.

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 ...

In my years of carrying out movement assessments (22 clients and counting this week alone) and spending far too much of my life in gyms, I have seen more than my fair share of poor squat form. The ...