Consider your original client, DB (5'3" and 260 pounds), and this simplified formula for energy expenditure: 61.0kcal/kg/hour x physical activity factor Using the ambulatory factor (1.3) for energy expenditure, what is his energy expenditure for 24 hours? 1 inch=2.54 cm Bed rest 1.2 Normal 1.5-1.75 M 1 kg = 2.2 lbs Ambulatory - 1.3 Extreme = 2