Definition

The Basal Metabolic Rate (BMR) is the number of calories or energy required by an individual to sustain basic bodily functions while at rest.

Subtitles:

BMR and Metabolism:

The Basal Metabolic Rate is a crucial component of an individual’s metabolism. It represents the minimum energy needed to maintain vital processes such as breathing, circulating blood, controlling body temperature, cell production and repair, and supporting organ functions.

Influencing Factors:

BMR can vary between individuals due to various factors:

• Body composition: Muscle tissue requires more energy at rest compared to fat tissue. Therefore, those with a higher proportion of lean muscle mass tend to have a higher BMR.
• Age: BMR typically decreases with age, as muscle mass decreases and fat mass increases.
• Gender: Men often have a higher BMR than women due to higher lean muscle mass and overall size.
• Genetics: Some individuals naturally have a higher or lower BMR based on genetic factors.
• Environmental factors: Extreme temperatures can temporarily increase BMR as the body works to maintain a stable internal temperature.

Measuring BMR:

BMR can be estimated using formulas that take into account an individual’s age, weight, height, and gender. The most commonly used equation is the Harris-Benedict Equation, although other formulas and predictive equations are available.