Want to end your training week on a high note? This intense biceps finisher is designed to maximize muscle activation, boost endurance, and leave your arms visibly pumped in minutes.

Any gym-going female human knows just how much men like to show off their muscles. But it turns out that it’s not just male humans who think that flexing their biceps at ladies is an effective ...

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. Curls are the classic ...