Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Want to add some ...

Kettlebells have become a staple in home gyms and fitness studios across the country, and for good reason. These cast-iron weights with handles offer a simple yet effective way to burn calories, build ...

The power clean is one of the most impactful exercises you can include in your gym routine, as it targets several muscles throughout your body. But performing it may be more difficult than it seems, ...

When you think of core exercises, your mind might go straight to bodyweight crunches or situps. But your core is so much more than just your abs! It includes all of the muscles from your ribs to your ...