The people who lose weight are most afraid of it. They have already eaten very little, but their weight has not been able to fall. In fact, people who have this phenomenon may be caused by their own basal metabolic rate is too low.
Our day's kinetic energy comes from food. After digestion and absorption, the food provides a day's calories. The usual daily life, young roads and work labor all consume calories, if the food is consumed in one day. Exceeding calorie consumption, the body weight will increase slowly ; on the other hand, if the calorie intake of food is lower than the calories consumed during the day, the body weight will naturally decrease slowly, that is, we have a calorie in our body, obeying The heat is not destroyed.
The main way of calorie consumption is the basal metabolic rate, which accounts for 65% to 70% of the total calorie expenditure of the human body ; the second part is physical activity, which accounts for 15% to 30% of total calorie consumption ; the third part is the thermal effect of food. The proportion is at least about 10% . The proportion of these three has been roughly fixed, and the basal metabolic rate determines most of the calorie consumption. Therefore, people with low metabolic rate will suffer a lot of losses when losing weight. The chance of weight gain in the future must be greater than others. .
The basal metabolic rate is to maintain important organs of the human body. It rarely changes in the short term. Almost in the gene, the basal metabolic rate of a person has been determined, but it will gradually decrease with age.
In general, the basal metabolic rate of a person during infancy is quite high, and it will drop rapidly during childhood, and will gradually stabilize after adulthood. The 18 to 25 years after adulthood is the highest basal metabolic rate, but after the age of five, the basal metabolic rate will begin to decline, about 5% to 10% per decade, that is, When we were 50 years old, the basal metabolic rate has been reduced by 15% to 30% , which is why many people are gradually getting out of shape after the age of 50.
There are two main methods to measure the basal metabolic rate. The first is to use the formula calculation method. As long as the height, weight, sex and age are entered into the formula, the basal metabolic rate can be obtained. The advantage of using the formula is simple and convenient, but the disadvantage is There are currently at least five formulas, each of which is not the same, and most of these formulas are designed for Westerners, the Orientals are less applicable, and the formula is too old. In addition, when two people with the same height, weight, sex and age are calculated by the formula, the theoretical basal metabolic rate should be the same, but each person is different from each other and cannot be the same.
The second method is direct or indirect calorimetry, which uses the oxygen inhaled by the subject and exhaled carbon dioxide to estimate the basal metabolic rate through gas analysis and special conversion. The advantage is that each individual can be calculated more realistically. The basal metabolic rate value, but the disadvantage is that the machine is quite large and time-consuming to operate, it takes a lot of time to check ; currently in the United States has developed a relatively simple operation of the basal metabolic rate measuring instrument, the country is in the process of reliability and validity Research, I believe that in the future can provide a simple and correct basal metabolic rate test for physicians and patients.
With the correct basal metabolic rate, you can estimate the amount of calories burned per day based on this value and the daily work labor, and then determine the amount of food intake per day based on the amount of consumption per day. If you want to carry out a weight loss program. When the calorie intake per day is reduced by 500 calories, the monthly intake can be reduced by 15,000 calories, which can be reduced by about two kilograms. Therefore, the basal metabolic rate can be said to be a weight loss program. The basis of this can also be said to be the magic number of each weight loss winner.
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