Join Krystal for this high-energy 15-minute express cardio workout featuring 5 dynamic moves repeated twice through. This quick but effective session combines toe taps, lateral jumps, switching lunges, plank-to-jump-ups, and shuffle-squat-jumps to get your heart rate up and maximize your limited time. Perfect for busy days when you need an efficient cardio boost, this workout offers both high and low impact options so you can customize the intensity to match your fitness level and energy. Equipment needed: Optional weight or prop (can, water bottle, or any stable object for lateral jumps), water, shoes optional