Real talk: The thought of doing jumping jacks may be only slightly more enticing than burpees. It may bring back memories of pre-dodgeball warm-ups back when dodgeball was part of gym class. Yet, ...

Each branch of the armed forces uses a simple bodyweight exercise to keep everyone in peak physical condition — they clearly ...

See how many jumping jacks after 60 signal strong cardio, plus simple steps to increase your count safely each week.

Huffing and puffing through jumping jacks? Here are six common issues that could be at play, plus tips on how to master those jacks like a jumping bean.

Look, I’m gonna be straight with you – those online calculators that tell you exactly how many jumping jacks you need to burn 500 calories? They’re basically making educated guesses about your body.

At 55, 30–40 smooth jumping jacks without stopping—and passing the talk test—signals above-average cardiovascular fitness.