
jack burpee
Cardiovascular systemBody weight

Step 1: Stand with your feet shoulder-width apart.
Step 2: Bend your knees and lower your body into a squat position.
Step 3: Jump explosively upwards, extending your legs and arms.
Step 4: While in the air, spread your legs apart and bring your arms out to the sides.
Step 5: Land softly with your feet shoulder-width apart, bending your knees to absorb the impact.
Step 6: Repeat for the desired number of repetitions.