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. The major muscle in ...

Strength machines don’t get as much recognition as they deserve; they are an essential part of effective gym routines. For gym goers, knowing which equipment targets which muscle group, or improves ...

TO BUILD A chest approaching Superman proportions, you'll need a heavy press somewhere in your training plan. Most lifters will start using a barbell, but there are limits to what you can accomplish, ...

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 ...