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. Do you want a strong ...

YOU CAN CLASSIFY exercises in a number of ways—by muscle group, movement pattern, or implement used, for example—but one of the most basic methods is whether it's a compound movement (using multiple ...

While compound moves deliver muscle building bang for your buck in a hurry, neglecting isolation moves could mean skipping a shortcut to hypertrophy. Put simply, if you have specific physique goals, ...

Classic sit-ups were long considered optimal among bodyweight exercises for strengthening the abdominal muscles. However, experts say they don’t actually offer much benefit; in fact, poor execution ...