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.

Get surfer strong with land-based moves that actually work. Surfers always seem effortlessly in shape. Along with sun-kissed skin, they rock that lean, toned look so many of us spend hours in the gym ...

Single-leg balance test after 65: what 30 seconds says about fall risk, with certified trainer tips to improve fast.

If it’s not enough that steeplechase champion Emma Coburn incorporates core activation exercises into her warmup routine, maybe we can convince you. It’s no secret that core workouts promote better ...

When it comes to building a strong core, most of us think about exercises like crunches, or sit ups. But there is a lot more to core strength than that. One of the main aspects of core strength is ...

The core gets a lot of attention when it comes to aesthetics. But your torso muscles—which include your abs, back, glutes, and hip flexors—play a crucial role in running that goes way beyond looks.