To perform jumping jacks, follow these steps:

1. Stand with your feet together and your arms relaxed at your sides.
2. Jump up in the air, spreading your legs out to the sides and raising your arms above your head at the same time. Your body should resemble a star shape.
3. As you land, bring your feet back together and lower your arms back to your sides.
4. Repeat the motion for the desired number of repetitions.

Here's an example of how to perform jumping jacks:

Jumping jacks are a great exercise for cardiovascular fitness and can help improve coordination and flexibility. They are often included in warm-up routines or as part of a high-intensity interval training (HIIT) workout.

For more information on jumping jacks and their benefits, you can refer to the following resources:

• Healthline - The Benefits of Jumping Jacks
• Verywell Fit - How to Do Jumping Jacks
• YouTube - Jumping Jacks Exercise Tutorial

Remember to consult with a healthcare professional before starting any new exercise program, especially if you have any pre-existing conditions or injuries.