See how many jumping jacks after 60 signal strong cardio, plus simple steps to increase your count safely each week.

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 the links below." YOU MIGHT THINK back to your childhood gym class and remember learning the basics of physical fitness ...

At 55, 30–40 smooth jumping jacks without stopping—and passing the talk test—signals above-average cardiovascular fitness.

Jumping jacks are an efficient total-body workout that you can do almost anywhere. This exercise is part of what’s called plyometrics, or jump training. Plyometrics is a combination of aerobic ...

Jumping jacks add a boost of cardio to any workout routine. Here are the benefits of jumping jacks and modifications for every level. Whether you’re a jumping jack fanatic or you haven’t done a ...

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 ...

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 ...

JEFFERSON CITY (AP) - Get your arms and legs limbered up. Missouri lawmakers have OK'd an official state exercise. The Senate gave final approval Thursday to legislation that would make the jumping ...