Her boot camp training involved sprinting, calisthenics, kickboxing, shadowboxing (mainly used in combat sports), working with resistance bands, etc. Upton felt sprint, a little challenging while boxing was the easiest for her to keep her going.

Regarding diet, Kate followed David’s ABS’s rule, which says – no Alcohol, no Bread, or processed Carbs. Along with this, she didn’t intake any tasty food, which we call as junk food like pasta, pizza, candies, burgers, etc. She was on a full seven day cleanse diet for the 2 weeks in every month, she worked with Kirsch. And for the remaining 2 weeks of that month, she used to keep herself full of energy by drinking protein shakes and green teas.

There is one piece of information, which David wants to share with his readers. He says –

“The mind is more powerful than any muscle in our body. With our mind focused, we can will ourselves to unbelievable greatness.”

Additionally, he recommends people to do workouts and never think of that you are lacking in time to do any. Have your workouts to be sliced in 10 minutes to 20 minutes increment sessions throughout the day.