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Energy consumption of physical activity.

Energy is the “amount” of power and is essential as it allows the operation of all bodily activities, from less experience (basal metabolic rate, respiration, body temperature regulation, etc.) to the more obvious (walk, run, play sports, etc) that make up your energy consumption.

Since the largest share of energy consumption (about 70%) is usually required to basal metabolism, i.e. the normal functioning of the various activities of the body, while the remaining part is necessary for the conduct of physical activity.

Daily caloric needs, in fact, depends on three different components: basal metabolism (MB or MBR “basal metabolic rate”); TID: Thermogenesis induced by food (also called dynamic action-food specific) and physical activity.

It is important to introduce food with an adequate amount of calories that you normally consume; in this way the energy balance of the body is in balance, and then the body acquires or loses weight. Otherwise, if the introduced amount exceeds the needs (budget surplus), the excess energy is “materialized” in the form of fat in adipose tissue; if instead, you consume more energy than it introduces (budget deficit), the body will be forced to draw on its reserves.

It was estimated that, at complete rest (in bed), an adult, healthy and medium size consumes 60 kcal per hour. Depending on the activities carried out, this value must be added to the base then the following number of calories.

Reading activities: write, draw, sew (10-25 kcal/hour); write, speak (25-60 kcal/hour); cooking, washing the dishes (60-90 kcal/hour); wander, wash the floors (90-150 kcal/hour). Moderate activities: walking, cycling (150-200 kcal/hour). Medium activities: gymnastics, swimming (200-350 kcal/hour). Heavy activities: running, swimming (350-700 kcal/hour). Finally, very heavy activities: mountaineering, riding uphill (700-1400 kcal/hour).

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