What does MET stand for in relation to energy expenditure?

MET stands for Metabolic Equivalent of Task, which is a unit used to estimate the amount of energy expended during physical activities relative to resting metabolic rate. One MET is defined as the energy cost of sitting quietly and is equivalent to approximately 3.5 milliliters of oxygen consumed per kilogram of body weight per minute. This measurement is essential for understanding how different activities impact energy expenditure, allowing individuals and health professionals to assess fitness levels and plan exercise regimens accordingly.

The concept of METs enables a comparison of the energy expenditure of various activities, providing a standardized way to evaluate the intensity of different forms of exercise. For instance, light activities may be assigned 2-3 METs, moderate activities about 4-5 METs, and vigorous activities typically exceed 6 METs. This classification helps in making informed decisions about exercise intensity and duration tailored to individual fitness goals.

The other options do not accurately reflect the definition or application of MET in the context of energy expenditure and fitness assessment. For instance, terms like Metabolic Energy Transfer, Minute Energy Total, and Maximal Energy Threshold do not align with the recognized terminology used in exercise physiology.