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 ...

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 ...

When I was a kid, I loved jumping on my trampoline in my back garden and just randomly jumping around like a happy little bunny. Most of us jump less and sit more as we grow into adulthood and the ...

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 ...