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Dying turtles, dead bugs and bird dogs are just some of the moves I tackled in this 12-minute core workout from a pro runner.

You don't need sit-ups to strengthen your core after 40 ...

A sleek six-pack looks great in a two-piece, but the benefits of a strong core extend way beyond your annual beach trip. Your core is composed of some of the most important muscle groups in the body: ...

According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.

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 ...

This quick workout strengthens the muscles that matter most. There’s nothing wrong with training for aesthetics. After all, a set of six-pack abs is a major flex (pun intended). But there’s a big ...

Lately, my core routine has felt staler than week-old sourdough bread. Sure, classic moves like crunches, Russian twists, and planks are great (and effective!), but in order to reap the gains of ...

You've probably heard just how effective Pilates can be for core strength and definition. With this workout video, you can find out for yourself—and you only need six minutes. In the full Pilates x ...

This workout is short — just 10 minutes — and requires no equipment. But it packs in a lot of work. PS Fit instructor Natalie White designed it to target your abs, core, and thighs, and she'll have ...

The core never gets enough credit for the work it does on the run. But without a stable center, you’d not only run with hunched-over posture, low back aches, or knee pain, but you’d also waste a ton ...

Denise Austin and her daughter and fellow fitness instructor, Katie Austin, share moves to improve back and core strength. “Your spine is your lifeline,” she says. She recommends doing at least three ...