How Intense should HIIT Really Be? (ft. Leah Purcell)

<p>Leah Purcell, creator of Complete Burn fitness, joins us this week with a High Intensity Interview talk.  She is the authority on interval training and walks us through how often to do hiit training, what pairs well with heavy compound lifts, how hydration is secretly the most important, the importance of sprouted grains, and the secret singing test to see if you're working hard enough.  </p>