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

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.

Standing abs exercises can be more functional than crunches because they mimic the way we actually move in everyday life, by ...

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

Some say avoid multi-tasking, but that doesn't always apply to strength training. In the Army’s new YouTube series, All You, ...

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 ...

A personal trainer shares the "tuck crunch" exercise as an alternative to planks if you want to build a strong and stable ...

Back Pain Is the No. 1 Sign of a Weak Core. When you get off the couch, do you feel stiff? Is it difficult to lift heavy ...

There are many training styles where working at a faster pace brings greater rewards, but when it comes to increasing your ...

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

When I’ve finished a long run, my leg muscles feel like they’re ablaze. By the last few seconds of planking, my abs feel like they’re burning and close to shaking. When the workout burn is real, it's ...

Donna Wilkinson, a linebacker for the world champion Womens Professional Football Team, demonstrates some hip and core ...