Most lifters swear by chest flies, but few actually get results from them. This video breaks down a subtle adjustment from a legendary coach that could completely change how your chest training ...

More exercises don’t always mean better. If you can’t spend hours in the gym, focus on these two chest exercises. Chest training doesn’t need to be overcomplicated. If your goal is to build a bigger, ...

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 ...