What is Basal Metabolic Rate?
Basal metabolic rate (BMR) is the minimum number of calories required to sustain vital bodily functions at complete rest. This includes automatic processes like breathing, blood circulation, and cell repair.
Key Facts About BMR
- Measured when awake but fasting and rested
- Approximately 60-75% of total daily calorie expenditure
- Varies based on age, sex, and body size
- Genetics accounts for 50-70% of BMR differences
How to Calculate BMR
BMR formulas use variables like height, weight, age, and sex to estimate calories burned at rest. Online calculators and mobile apps make it easy to determine your BMR.
Improving Your BMR
- Increase muscle mass through strength training
- Avoid severe calorie restriction which can slow metabolism
- Maintain adequate calorie intake for your activity level
- Limit alcohol intake which lowers BMR
In summary, BMR represents the minimum energy needed for basic body functioning. Knowing your BMR helps guide appropriate calorie intake as part of a weight management plan.
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