Drop and give us… well, read on for how many. Your ability to do push-ups indicates more than just how muscular your arms are — the number you can do also offers clues about your overall health. “A ...

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. Fartleks are a ...

There’s no ifs, ands, or flabby butts about it. “The squat is your powerhouse,” Kristin Collins, a trainer at Life Time fitness club, told The Post. Whether you’re scooping up your toddler, sliding ...