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 ...

Combat muscle loss with this 7-move routine.

Chair exercises are the perfect way for beginners to start their fitness journey. They are easy, require little space, and can be done from the comfort of your own home. These exercises are perfect ...

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 ...