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. While plenty of ...

Core strength goes deeper than aesthetics — it’s essential for preventing back pain and injury and improving sports performance. This beginner ab workout will get you started. Nearly every movement ...

The best type of exercise for beginners is the one you'll actually do. Without sounding flippant, the likelihood of keeping up a type of fitness you hate is minimal. But if you find a form of exercise ...