Getting up from the floor without wincing. Carrying groceries without your back complaining. Standing tall through a long day without fatigue creeping in. These everyday moments reveal something ...

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 like most people, when you hear the word core, you probably think of six-pack abs. But your core is so much more than that — it’s the powerhouse that stabilizes, supports and moves you ...