Metabolism is the process of converting food inputs into energy for everyday activities like breathing, sleeping and moving. The basal metabolic rate determines how many calories your body needs for vital functions. Every person has an ideal BMR for their body. If a person has a low BMR, they will usually have a slow metabolism. Having a low BMR and a slow metabolism can lead to health problems including obesity.
When Was a Low BMR Useful?
According to natural selection theory, organisms with a lower BMR have a higher probability for survival in the event of food shortages or a limited supply of food. Today, in developed countries a limited supply of food is not generally a concern. But thousands of years ago, things were different and obtaining food was a difficult task at times.
Factors That Affect BMR
There are several factors that affect BMR. The percentage of muscle mass in your body is one of the primary factors that determines your BMR. Muscles burns more calories than body fat. Men tend to have more muscle mass in their bodies, so sex gender is also a factor that affects your ideal BMR number. Finally, age also influences BMR, because as most people get older, they will lose muscle. Since muscles and BMR have a direct relationship, age is also a factor that determines your BMR.
BMR Measurement
Special medical equipment can calculate your BMR. This is the most accurate method for testing your body's ideal BMR. However, there are also mathematical formulas you can use to determine your ideal BMR. One of the most popular is the Schofield equation. The Schofield equation uses different equations based on the sex and age of the individual you want to determine the BMR for. For example, for men between 18 and 29, BMR = 15.1 x weight + 692 SEE = 156. "SEE" is the standard rate of estimation. You can use the Schofield equation to design a diet plan that will lead to weight gain or weight loss.
How to Increase BMR
It is possible to increase BMR and speed up a slow metabolism. During exercise the body raises BMR and that effect generally lasts for several hours after the activity. This results in an individual burning more calories through vital functions and other activities than normal. Building more muscle mass in your body is another highly effective way increase your BMR. Finally, consider what you eat. Eating frequently and eating a protein-rich diet generally increases your BMR. Consider eating several smaller meals throughout the day instead of three larger meals per day.
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