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All About Diet, Weight Loss and Muscle Building
In humans there is a fine balance between energy intake and energy expenditure. Energy intake is in the form of food and energy expenditure is in the form of the basal metabolic rate and physical activity. The difference between energy intake and energy expenditure is the net energy balance. If intake exceeds expenditure then a net positive energy balance occurs. Energy expenditure depends on a number of factors. This includes the starting body weight, the basal metabolic rate and physical activity. With regard to physical activity there are several key variables including the frequency, intensity, duration and type of activity done.
Let us examine energy consumption. One honey glazed doughnut, which has approximately three hundred calories. The energy intake from the consumed doughnut is equal to the energy consumed by moderate walking for thirty to sixty minutes at three miles per hour. If you walks for an hour at three miles per hour, you will expend approximately three hundred calories, the same has what was contained in the consumed doughnut. Walking daily for one hour at approximately three miles per hour, this type of activity would lead to weight loss. This assumes that you does not consume any extra calories and has a net negative energy expenditure. If this continues for a period of two to four months body weight is reduced. The initial weight loss is the result of a negative net energy balance. The negative energy balance is because energy expenditure exceeds energy intake. After the initial weight loss, you should continue to do the same type of exercise that is one hour of moderate walking daily.
Most people are often frustrated and surprised that the weight is not continuing to decrease despite regular walking. This happens when you reached a plateau. The reason behind the weight-loss plateau is that with decreased body weight, the basal metabolic rate also decreases. When the basal metabolic rate decreases there is a decrease in totaled energy expenditure.
If you quit your daily walking exercise the weight is gained again at a quicker pace. The weight is regained, as a result of a positive energy balance being created. Energy expenditure is now less since the physical activity has been stopped. By keeping the same intensity and duration of walking without making any changes in the diet. The will enter a weight maintenance phase. This is characterized by gaining a small amount of weight. The weight maintenance is the result of an energy balance being established within the body where energy intake essentially equals energy expenditure. If there is no change in energy balance, they will not be any further change in weight. What must be done to end of the weight-loss plateau? Several options exist to maintain the negative net energy balance these involve either decreasing energy intake or increasing energy expenditure. Options include restricting calories further or increasing the frequency or the intensity or the duration of the exercise.
In summary, weight loss plateaus are expected and can only and with continued exercise and a net negative energy balance. Stopping exercise or increasing calories will lead to weight gain. If you continues to exercise to maintain a net negative energy balance, weight loss will be promoted