Jumping jacks are a classic cardiovascular exercise that boosts your heart rate and helps with full-body conditioning. Here's a breakdown of instructions and tips to perform them effectively:

Instructions

1. Starting Position:

   • Stand upright with your feet together and your arms relaxed at your sides.
   • Engage your core and keep your back straight.

2. The Movement:

   • Jump your feet out to the sides wider than shoulder-width apart.
   • Simultaneously raise your arms overhead, forming a wide "X" shape with your body.

3. Return to Start:

   • Quickly jump your feet back together to the starting position.
   • Lower your arms back to your sides.

4. Repeat:

   • Continue this movement rhythmically for the desired duration or number of repetitions.