Add Yahoo as a preferred source to see more of our stories on Google. Jumping jacks, a staple of school gym classes, are not just for kids—they can also reveal much about your health. Even if you ...

"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, ...

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 ...

While you may not have thought about jumping jacks since grade school, the health benefits of this simple move continue well into adulthood. "Jumping jacks have a wealth of benefits like mobility, ...

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. How To Do Jumping Jacks Jumping jacks were one such ...

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 ...