Button up the jeans and spread them out on a flat surface, removing any wrinkles. Waist: From one side to the other, measure across the back waistband. Double the number to get actual waist size (ex.

For every additional 30 minutes of exercise per week, participants experienced reductions of 0.52 kilograms in body weight, 0.56 centimeters ... in weight, waist size, and body fat.