Light dumbbell workouts can also help boost metabolism by increasing muscle mass. More muscle means a higher resting ...

Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

Turn everyday household items into workout tools and enjoy a beginner-friendly, full-body fitness routine without stepping ...

Want to build muscle but not sure where to start? Our expert-backed guide will help you navigate the basics of weightlifting for beginners When you purchase through links on our site, we may earn an ...

Here's everything you need to know to get started packing on muscle with dumbbells, kettlebells, and barbells.

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 ...

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 ...