You might have left this early exercise staple back in your school days, but your training would be better with them.

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 ...

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 ...

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 ...

While you likely keep pushups and pullups in your typical rotation, there’s probably an elementary school staple exercise you’ve pushed to the side: jumping jacks. Maybe you feel like you’ve ...