High-intensity interval training is magic (okay, it’s actually science). HIIT is proven to provide an extremely effective and efficient workout — relying on short, intense bursts and rests to keep the body guessing and the heart pumping. Truly effective fitness training programs are whole-body by design. It’s not enough to simply crank up your heart rate or focus all your energy into pumping iron. The key to success is a balanced approach. With Boxing, you’ll improve endurance, flexibility, speed, and power all in one dynamic workout.