DAREBEE Workout: What it Works
There are days when we lack the motivation required for a full-on HIIT workout. On those days dogged determination and the sheer remorselessness of numbers are required to keep us honest and focused on training. The Numbers workout performs this function admirably well. On those days when you feel like you're operating on empty, this is your best friend. 
Extra Credit: Complete in one workout. 
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