High-intensity circuit training (HICT) involves combining both cardio and resistance training in the same workout. It alternates upper and lower body moves as well as high-intensity and lower-intensity exercises. The idea is a challenging, total body routine that promises better weight loss results in less time.

The major benefit of HICT is that you increase your afterburn—the number of calories your body continues to burn after your workout is over. That afterburn or post-exercise oxygen consumption (EPOC) is considered by some to help boost your metabolism, which may help with weight loss The trend to work harder at both cardio and strength workouts is everywhere.