David Kirsch may train celebrities like Jennifer Lopez, Britney Spears, and Heidi Klum, but thanks to the power of the Internet, we like to think he's our trainer, too. Kirsch regularly posts his ...

That’s exactly why I created this simple five-move core finisher. It builds strength for everyday life by including ...

Fitness icon Denise Austin and her daughter Katie join TODAY’s Jenna Bush Hager and Sheinelle Jones to share three quick and ...

Build deep core strength with this short session ...

Feeling inspired by Livvy Dune’s abs, but don’t quite have the same amount of hours to spend in the gym as her? We’ve good news: you actually don’t need *that* much time to make a difference when it ...

Denise Austin just shared her go-to ab workouts in an Instagram video. The fitness star demonstrated three “standing ab moves” that she says “you can do anywhere.” The exercises included standing ...

Runners often forget about the power of the core for performance. This group of muscles—which spans from below your chest through your hips, taking up your entire torso—helps you transfer power ...

No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day. They work the abdominals, but if you’re looking for stronger, sculpted abs, let me introduce you ...

It can be hard to carve out time in your busy schedule for strength training, especially if you’re a newbie and it feels overwhelming to get started—or you don’t even know where to start. That’s why ...

Step forward and slightly lateral with one leg, landing with your heel first. Work to avoid slamming your knee into the ...