How Factors Affecting Energy Expended in Physical Activity?
Physical activity as we learnt earlier is the second largest component of daily energy expenditure, after BMR. However, the energy expended in physical activity is most variable as it may range from 10% in a person who is bedridden to as much as 50% of TEE in an athlete. In fact, different lifestyles have different levels of energy demands. The examples of lifestyles with different levels of energy demands as given by FAO/WHO/UNU 2004 are enumerated herewith.