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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU MIGHT THINK back to your childhood gym class and remember learning the basics of physical fitness, ...