What is the basal metabolic rate?
BMR (basic metabolism rate) refers to the number of calories burned by a person in the static state, the lowest calorie needed to maintain life, mainly used for breathing, heartbeat, oxygen delivery, glandular secretion, renal filtration and excretion, muscle Tension, cell function, etc. required calories. Generally refers to the heat generated by the human body per square meter of body surface area under the conditions of an ambient temperature of 16° C. to 20° C. and an absolute quiet prostration after fasting for a considerable period of time (typically 14 to 16 hours). The body's life activities throughout the day, the energy metabolism changes are very obvious, active energy metabolism is high, and quiet, especially when sleep, the energy metabolism is low. How to measure the basic condition of human metabolism? In the study of human metabolism and clinical practice, the researchers are able to measure energy consumption when the human body is awake and quiet, that is, not affected by exercise, food, nervousness, and changes in outside temperature. It is more reflective of the current state of the body; it is expressed as the surface area per square meter per hour The energy consumption rate (joules), which is the basal metabolic rate. Simply put, if your basic metabolic rate is 1200 calories and you are sleeping all day, there is no other activity that would consume 1200 calories. The basal metabolism accounts for about 65-70% of the total calories consumed by the body. It is the body's most calorie-consuming one, so it will affect the speed of weight loss to a large extent. The basal metabolic rate varies with age, gender, body composition, and hormonal status. It rarely changes in the short term. Almost in the gene, it determines the basal metabolic rate of a person, but it will increase with age. The gradual decline, which is also the reason that more fat people in older people than young people. In general, the basal metabolic rate of humans during infancy is quite high, and it will decline rapidly during childhood, until adulthood gradually stabilizes. The basal metabolic rate can represent the metabolic capacity of human cells. The physiological functions of cells are different, and their metabolic capacities are also different. In general, the metabolism of adipose tissue and bone tissue is less, and the metabolism of lean tissue is more. Therefore, BMR is proportional to LeanBodyMass. among them: · Dieting can cause muscle loss, reduce lean muscle tissue, and further reduce the basal metabolic rate. So simple dieting will slow down the rate of weight loss, and eventually enter the plateau. · Exercise can prevent loss of lean muscle tissue and increase the amount of lean muscle tissue. It is the most effective way to promote basal metabolic rate.
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