Focusing on one key area of your core could transform your strength and performance.

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.

A strong core isn’t just about looking good—it’s the foundation for better movement, injury prevention, and power in every lift. From upper ab engagement to anti-movement exercises, smart programming ...