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Jumping Jacks Aren't Just for Gym Class. Here's Why You Should Add Them to Your Workouts.

YOU MIGHT THINK back to your childhood gym class and remember learning the basics of physical fitness, setting a foundation for the grown-up workouts you continue to do today. While you likely keep ...
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What Your Fitness Tracker Actually Misses About Jumping Jacks

Look, I used to think those “100 jumping jacks = 10 calories” calculators were gospel. Then I started paying attention to real people doing real workouts, and wow – was I wrong. Those generic formulas ...
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If You Can Do This Many Jumping Jacks After 60, Your Body Is Fitter Than Most

Jumping jacks look simple, but they reveal a lot about how strong your heart and lungs still are. The move challenges endurance, rhythm, and coordination. All vital markers of youthful vitality. After ...