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DAREBEE Workout: What it Works
When you're looking for a High Intensity Interval Training (HIIT) workout that will help you develop explosive power, endurance, aerobic capability and great recovery time, Refiner should be the one you go to. A difficulty Level IV workout this is not for those new to training and working out, but once you get a little more comfortable with the challenge of pushing your body to perform, this will become a favorite. 
Extra Credit: 1 minute rest between sets. 
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