Can You Get Fit in Four Seconds?

Looking to get the most out of your workout without having to spend hours in the gym? It only takes 4 seconds of all-out high intensity interval training to reach maximal anaerobic power, peak oxygen consumption and total blood volume. Teresa met with Ernie Atkins, Head Strength and Conditioning Coach at D1 Sports Training to get the details on the 4 second HIIT cycle.