In TODAY.com's Expert Tip of the Day, a trainer reveals the only body part you should consider working out even on rest days.

Tone your core and slim your waist—all from a chair. These 5 seated moves are beginner-friendly and low-impact.

To build a better habit of core training and strengthen my midsection along the way. At one point, having a washboard set of abs was on my wish list. But now, I care more about the deeper benefits ...

We know we're not alone in wanting in on the best way to build a strong, functional core. If you're a regular reader, you'll ...

How to do it: Start on all fours with a neutral spine, knees under hips and wrists under shoulders. Keeping back flat, use ...

Ditch planks for a 6-minute Pilates core finisher that targets deep muscles fast, boosts stability, and enhances posture.

Add these deep core exercises to your ... Shirahata S, Watanabe M, Sasaki M. Effects of core strength training on core stability. J Phys Ther Sci. 2018 Aug;30(8):1014-1018. doi: 10.1589/jpts ...

A solid fat-loss core regimen should feature compound movements to rev up calorie output and fire up the core in motion.

Stealth Core Trainer pros. There are a variety of games available on the Stealth Fitness app. The games are fun, challenging and available on both Android and iOS platforms.

YOUR CORE TRAINING routine needs to evolve beyond bodyweight. Whether your goal is to train for aesthetics or performance (hopefully, you'll be concerned about both), you'll only get so far by ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. I recently discovered a three-move core-building workout from one of my favorite online ...