If You Can Do This Many Jumping Jacks at 55, Your Cardio Is Better Than Most

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

If You Can Do This Many Jumping Jacks After 60, Your Body Is Fitter Than Most

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

How to Do Jumping Jacks

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 ...
The Manual on MSN

12 fantastic reasons to add jumping jacks to your workout routine

Each branch of the armed forces uses a simple bodyweight exercise to keep everyone in peak physical condition — they clearly understand the benefits of jumping jacks! While exercises like squats, ...
Yahoo

Try This Quick Jumping Jacks Test to See How Fit You Really Are

Jumping jacks, a staple of school gym classes, are not just for kids—they can also reveal much about your health. Even if you haven’t done the exercise recently, your ability to do them today can ...