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 ...

You can swap jumping jacks for other exercises like burpees. How to Do Jumping Jacks Stand in an athletic stance, with your feet together and your hands at your sides.

Perform each move for 20 seconds, resting 10 seconds before moving to the next exercise. One round should take two minutes. Go for four total rounds. Exercise 1: Jumping Jacks. Exercise 2 ...

You might have left this early exercise staple back in your school days, but your training would be better with them. Jumping Jacks Aren't Just for Gym Class. Here's Why You Should Add Them to ...