basal metabolic rate
Noun: * The rate at which heat is produced by an individual in a resting state: This is the amount of energy (measured in calories or joules) expended per unit time by a person at complete physical and mental rest, in a thermally neutral environment, and in a post-absorptive state (i.e., not digesting food). It represents the energy required to maintain vital bodily functions such as breathing, circulation, and cell production.
The term "basal metabolic rate" (often abbreviated as BMR) is a scientific and medical term used to quantify the minimum energy needs of an organism. It is a key concept in physiology, nutrition, and weight management. * It is typically used with verbs like have, measure, calculate, increase, or decrease. * It is often discussed in relation to factors that influence it, such as age, sex, body composition, and thyroid function.
- A person's basal metabolic rate accounts for the largest portion of their daily energy expenditure.
- To lose weight effectively, you must create a calorie deficit that is greater than your basal metabolic rate plus your activity level.
- The doctor ordered tests to see if her thyroid condition was affecting her basal metabolic rate.
- Muscle tissue is more metabolically active than fat tissue, so increasing muscle mass can raise your basal metabolic rate.
- BMR vs. RMR: In common usage, BMR is often used interchangeably with Resting Metabolic Rate (RMR). While very similar, RMR is measured under less strict conditions and is typically slightly higher than BMR. The key distinction is that BMR requires a more controlled, post-absorptive state.
- Clinical Context: An abnormally high or low BMR can be an indicator of certain medical conditions, such as hyperthyroidism or hypothyroidism.
- Metabolism (n): The chemical processes that occur within a living organism to maintain life. BMR is a specific measurement of one aspect of metabolism.
- Metabolic (adj): Relating to metabolism (e.g., , ).
- Resting Metabolic Rate (RMR) (n): A closely related term, often used in fitness contexts, representing energy expenditure at rest but under less stringent measurement conditions than BMR.
- Resting Energy Expenditure (REE): A synonym frequently used in clinical and nutritional sciences.
- Basal Energy Expenditure (BEE): Another equivalent term used in medical literature.
- To have a high/low BMR: Describing an individual's metabolic rate.
- Athletes tend to have a higher BMR due to their greater muscle mass.
- To boost/raise one's BMR: To increase the rate through lifestyle changes.
- Strength training is an effective way to boost your BMR over time.
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the rate at which heat is produced by an individual in a resting state
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