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.

"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, ...

Whether you’re a jumping jack fanatic or you haven’t done a jumping jack since middle school gym class, there’s one thing (okay, two things) most of us can agree on: jumping jacks are fun (they make ...

Like box jumps, jumping jacks or indeed any kind of jumping move, jump squats are a plyometric exercise that should be an important part of every runner's strength and conditioning routine. 'The jump ...

Old Forge resident and OFHS grad Brandon Gatto sets the Guinness World Record for most jumping jacks in a minute at Old Forge Veterans Memorial Stadium last Monday night. photo by rick notari Last ...

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 ...