Energy expenditure Is the measurement of the amount of energy a person uses over a given period of time for any physical functions. This may include basic functions of life such as breathing, circulation of blood, and other functions required to sustain life as well as complex functions such as running or working. Energy expenditure is expressed in kilocalories (kcal) or kilocalories per minute (kcal/min).
Energy expenditure is a measurement of the amount of energy used by a person doing all activities over a specific period of time. This is important in the field of ergonomics and workplace wellness. For example, in sedentary jobs where a worker is typically sitting in front of a desk for an 8 hour day, studies have shown that alternating between sitting and standing throughout the can moderately increase the person's energy expenditure which will, in turn, help decrease or maintain weight. Also, it is important to understand energy expenditure when dealing with more demanding jobs to ensure that a worker is not over exerting and exposing themselves to increased injury risk due to fatigue.
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