This quick, four-move dumbbell workout targets your upper body and core. It's perfect for a mid-holiday energy boost.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If you have 10 minutes to spare and a couple of dumbbells to hand, then this ...

Get more from less time after 45 with squats, reverse lunges, knee drives, overhead press, side lunges, and calf raises.

Better posture. Weak upper abs often result in poor posture and spinal misalignment, but by targeting these muscles, you can ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day.

This four-move workout from Coleman requires just a single dumbbell, kettlebell, or even a heavy water bottle. All in all, it ...

Has your core routine gotten stale? I know mine has. While crunches, Russian Twists, and planks are effective, after doing them a bunch, they might get a little, well, boring. Not to mention, there ...

You have to engage your core constantly as you sit straight, stand tall, and walk confidently, which requires a lot of endurance in your midsection muscles. The best way to build ab endurance? A core ...

As a runner, you don’t want to neglect core strength. These key midsection muscles provide the stabilization and upright posture you need to run efficiently and injury-free. And you can really turn up ...

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 ...

The holidays are for relaxing and indulging, but sometimes you just need an excuse to escape upstairs and do some ...