food and nutrition

Excess Body Weight

Question: how many excess kilocalories are represented by one pound of excess body weight ? ? one gram of fat is stored for each 9.3k cal of food energy intake in excess of energy output - assuming that walking requires a total food energy of .16 calorie per foot, how far would a 150lb patient have to walk to lose 1 lb of body weight

Answer: One pound is about 454 grams. So it represents 454 * 9.3 kcal = 4218 kcal Using your values, That requires a walk of 4218000/0.16 feet = 26,365,000 feet or just under 5000 miles


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