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, ...

It may not take expensive scans and tests to show how healthy you are — an old-school exercise might tell you everything you need to know. Fitness experts revealed that classic workout jumping jacks ...

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.