Even if you don’t consider yourself an avid workout enthusiast, you’ve likely heard of burpees. Burpees are a high-intensity calisthenics exercise, a type of activity that uses your body weight. With ...

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. I’ve been doing at ...