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. Your shoulders are an ...

Building bigger shoulders is more about proper form, range of motion, and maximum tension—and far less about lifting super heavy. Exercise scientist Mike Israetel, PhD, of Renaissance Periodization, ...

If you spend a lot of time at the computer or on your phone, there’s a good chance that you’re no stranger to shoulder tightness, which can happen when the arms are held out in front of the body for a ...