Eat a snack beforehand : “Have something in your tummy with protein, such as an apple with peanut butter, so you have the energy to get through your walk,” Austin says. : “Have something in your tummy with protein, such as an apple with peanut butter, so you have the energy to get through your walk,” Austin says. Denise AustinCalf Stretch: Stand facing a wall with hands on the wall to support, at shoulder height. Week 2: Fat-Burning WeekThis week is all about burning fat, so you’ll pick up your walking pace and also do some power moves. “The goal is to progress every week by extending the minutes you walk,” Austin says.