High-intensity interval training (HIIT) is a proven form of interval training exercise that was first used to train Olympic athletes but you can use it at home. It incorporates several rounds that include several minutes of high-intensity movements that significantly increase the heart rate to at least 80% of its maximum. These are followed by short periods of lower-intensity movements. This health and fitness course explores the science behind HIIT to dispel some exercise myths and help you build muscle and lose fat successfully.The course explains how to draw up implement and stick to a bodyweight workout program in your own home. We explain how to perform HIIT exercises that help you build muscle and burn fat. These include activities that tone your legs back chest arms and other specific parts of the body. The course provides useful mental techniques you can use to maintain your discipline and motivation as you successfully work towards and reach your fitness goals.These online fitness classes explore the science of home HIIT and lays out the skills you need to follow a bodyweight workout program successfully. You can confidently use these concepts and techniques to assist both yourself or work with clients as a personal trainer. We explain how to stay motivated after starting your fitness journey with proven tips provided by experts. The course also outlines the popular practice of intermittent fasting and shows you how to add it to your nutrition plan. We trace each stage of your journey to health and fitness by losing fat and building muscle with home high-intensity interval training.