This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal protection—making it a favorite among U.S. fitness professionals.

A fast, equipment-free assessment designed by strength and lifestyle experts in the U.S. to measure core stability, lower-body strength, and movement control in just seven minutes.

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.

To learn whether or not your upper-body strength level is where it should be—or needs a bit of a boost—we spoke with experts.

Core strength is more than just achieving sculpted abs—it’s the foundation of movement, balance, and injury prevention. A weak core can lead to poor posture, chronic pain, and decreased athletic ...

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Your core is, quite literally, at the center of everything you do. It’s what powers your paddle strokes, allows you to reach for a climbing hold, and makes hoisting a heavy pack and carrying it over ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have used them for decades. But given recent changes in military testing, the next ...

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 ...

These days, most people understand the importance of basic core strengthening, but functional core workouts are essential for building a resilient body that can handle everything from carrying heavy ...