
jack burpee
Cardiovascular systemBody weight

Step 1: Stand facing a wall with your feet hip-width apart.
Step 2: Place your hands on the wall for support.
Step 3: Engage your core and lift your right knee up towards your chest, while keeping your left foot on the ground.
Step 4: Quickly switch legs, bringing your left knee up towards your chest and lowering your right foot back down.
Step 5: Continue alternating legs in a running motion, bringing your knees up as high as possible.
Step 6: Maintain a fast pace and keep your upper body stable throughout the exercise.
Step 7: Repeat for the desired duration or number of repetitions.