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 ...

Jumping jacks are one of the most underrated exercises in the fitness world. Simple yet incredibly effective, this childhood favorite has stood the test of time, proving that a full-body workout doesn ...

The jumping jack is an effective way to stimulate all the vital muscles of your body. It is a full-body exercise used in cardio and warm-up sessions. Jumping jacks include resistance and aerobic ...

"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, ...

Things high school gym class was good for: gossiping, checking out your wanna-be S.O. in track shorts, and kinda-sorta learning basic exercises. Jumping jacks were one such staple of P.E., and for ...

The amount of calories you burn doing jumping jacks can vary based on how long or how fast do you them, as well as on personal factors that affect your metabolism. Jumping jacks might seem like a ...

A university professor has found a way to help students -- and himself -- power through long lecture classes: exercise breaks. A new study showed that five-minute exercise sessions during lectures ...