High-intensity resistance training follows a similar format but kicks it up a notch by incorporating weight lifting. If you’ve done cardio-based interval training by sprinting on the track or spinning fast on an exercise bike, you’re familiar with the general style of these workouts-bursts of hard efforts followed by rest periods. What is High-Intensity Resistance Training? Here’s everything you need to know about high-intensity resistance training and how to incorporate it into your routine. Each high-intensity resistance training session (which can be as short as 20 minutes or less) has all the ingredients you need to get lean. High-intensity resistance training offers all these benefits in one highly effective workout by combining strength training with cardio conditioning. If you think you need to spend hours working out to build lean muscle, burn fat, and boost your metabolism-think again. This fast-paced training style can boost endurance and burn fat.