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DAREBEE Workout: What it Works
High Intensity Interval Training (HIIT) doesn't just create a heavy metabolic load for the body to deal with, it also taxes the VO2 Max and challenges the body's adenosine triphosphate (ATP) resupply. All of which make Afterburn the kind of workout you need to try and conquer completely (you know, Level III with EC).  
Extra Credit: 1 minute rest between sets. 
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