Exercise Physiology
A metabolic equivalent (MET) is a unit used to estimate the amount of energy expended during physical activities, expressed as a multiple of resting metabolic rate. One MET is defined as the energy cost of sitting quietly, which is approximately 3.5 mL of oxygen per kilogram of body weight per minute. This concept is crucial for understanding energy balance and body composition, as it allows individuals to quantify the intensity of different exercises and estimate caloric expenditure.
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