Title: Free High Intensity Interval Training (HIIT) Fat Burning 30 Minute Killer Fitness Tutorial for Beginners Introduction: For beginners who are just starting out with fitness, it is important to find an exercise that is both effective and suitable for their level. Here’s a simple and challenging 30-minute killer workout for high-intensity interval training (HIIT) to help you burn fat and improve your fitness. Part 1: What is HIIT Training? HIIT (High Intensity Interval Training) is a form of exercise that combines high-intensity exercise with low-intensity exercise or rest. This type of training can quickly increase heart rate in a short period of time, promote aerobic and anaerobic metabolism, effectively…