(CNN) — If you want a resilient core, strengthening your six-pack is just the start. Your obliques — the muscles that run along the sides of your waist — may not get the same attention as your ...

Most people train their core with good intentions but poor results. Endless crunches, rushed planks, and random workouts ...

This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal ...

Most gym goers know that it’s important to train your core, a set of mid-body muscles that play a role in nearly all of your everyday movements. However, not everyone knows that these muscles can be ...

Put simply, good core stability is one of the most effective ways to prevent injuries and improve running efficiency. The groups of muscles that make up your core section provide essential support so ...

You’ve probably seen it all over your feeds: Fitness pros and physical therapists talking about “training the deep core.” But unlike crunches or Russian twists, these exercises don’t come with a pump ...

Core stability is a fundamental component in my plan to prevent chronic back pain. As someone who has struggled periodically with mild to moderate lower back discomfort, I am dedicated to maintaining ...

Flutter kicks are a modern Pilates exercise and feature in many ab workouts, but what happens when a personal trainer tries ...

Ready to ditch endless crunches and finally build a rock-solid core? Your core is a powerhouse encompassing all the muscles from your pelvis to your ribcage – abdominals, obliques, lower back, pelvic ...

For overall health, it's important to focus on exercises that work the entire core: the muscles along the spine, pelvis and sides of the torso. These include the abs and obliques, but also the glutes, ...

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.