Exercise Physiology: Theory and Application to Fitness and Performance 9th Edition by Scott Powers, Edward Howley

Exercise 13

If a person consumes 120 kcal per day in excess of need, what weight gain does the static energy balance equation predict compared to the dynamic energy balance equation?

Step 1 of 2

A person gains weight when the calorie intake is very high compared to energy expenditure. To add one pound of fat, a net gain of about 3,500 kcal is required. Therefore, if a person takes 120 kcal in excess per day, his body weight increases (due to accumulation of fat) by 1 pound in 29.2 days. Therefore, at the end of an year, there is an increase of 12.5 pounds of body weight, as calculated by static energy balance equation.

Static energy balance equation: change in energy stores = energy intake – energy spent.