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 ...

Your chest may not be the first muscle group that comes to mind when you think about pull-ups—but if you want to lift your body with control, you can’t skip it. A strong chest helps you stabilize your ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Did you know that your chest muscles are essential in ...

You don’t necessarily need a bulky set of dumbbells to get the chest muscle activation you seek. Resistance band chest exercises are the surprising, sneaky way to inject some fire into basic chest ...

While crunches, sit-ups, planks, and other floor-bound movements are effective core-strengthening exercises, standing abdominal workouts offer unique benefits, especially for runners. If you’re ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...