I don’t know anyone who feels particularly happy when asked to do any number of burpees during a workout. Personally, I don’t mind them (I know, don’t judge me), but then again, I don’t usually do 50 ...

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 ...

Put simply, compound exercises are moves that recruit large muscle groups and use multiple joints. "You're activating several muscles or muscle groups at one time," Brooke Taylor, NASM- and ...