course hero what factors influence basal energy requirements?

by Annetta Hamill 5 min read

What factors influence basal energy requirements?

Here are ten factors that affect BMR and metabolism:Here are ten factors that affect BMR and metabolism:Muscle mass. The amount of muscle tissue on your body. ... Age. As you get older, your metabolic rate generally slows. ... Body size. ... Gender. ... Genetics. ... Physical activity. ... Hormonal factors.More items...•Jun 12, 2015

What are the factors that influence basal metabolic rate?

Your metabolic rate is influenced by many factors – including age, gender, muscle-to-fat ratio, amount of physical activity and hormone function.

What is basal energy requirement?

Basal energy is the amount of energy needed to sustain all the basic functions* of a living organism. This energy requirement is most accurate when describing the needs of an alert, resting human in a calm mental and physical state and in favorable temperature conditions.Mar 22, 2021

How does basal metabolic rate affect energy requirements?

Thyroid hormones increase energy expenditure and heat production, as manifested by weight loss, increased caloric requirement, and heat intolerance.

What is basal energy output?

Basal Energy Expenditure (BEE) determination Basal energy expenditure (BEE): the amount of energy required to maintain the body's normal metabolic activity, i.e. respiration, maintenance of body temperature etc.Sep 7, 2017

How is basal energy expenditure measured?

BMR may be measured by gas analysis through either direct or indirect calorimetry, though a rough estimation can be acquired through an equation using age, sex, height, and weight.

What affects resting energy expenditure?

Regular exercise increases the amount of energy you burn while you are exercising. But it also boosts your resting energy expenditure — the rate at which you burn calories when the workout is over and you are resting.Jan 28, 2015

How does basal metabolic rate related to energy quizlet?

Basal metabolic rate describes the total amount of energy consumed during resting and exercise. f. Basal metabolic rate describes the total amount of energy expended during resting and exercise.

What factors of energy metabolism during exercise are important for determining the energy cost of exercise?

The following physiologic variables will be needed: rest oxygen consumption, exercise oxygen consumption, post-exercise oxygen consumption, rest plasma lactate concentration and post-exercise plasma peak lactate.Mar 20, 2012

What are basal conditions?

4 Basal metabolic rate. The basal metabolic rate (BMR) is the metabolic rate of a person measured under basal conditions, i.e. when a person is awake and in absolute physical and mental rest after 12 hours of absolute fasting, and when the environmental temperature is 20–25 °C.

Why is it important to exercise in a hot environment?

Plus, when you exercise in a hot environment, you burn more calories as well . At the other end of the spectrum, resting or exercising in a cold environment also boosts the energetic demands on your body.

How much energy does physical activity consume?

Physical activity is the extra energy you burn every day by being physically active. Being physically active accounts for 15 to 30% of total daily energy expenditure for the average person. If you work out daily and stay active throughout the day, you’re likely at the higher end of the range. If you’re a couch potato, you’re probably in ...

What is the total energy expenditure?

Total daily energy expenditure takes into account your resting metabolism, the rate at which your body burns energy at rest, as well as other factors that influence thermogenesis, or the rate at which your body uses energy. Your resting metabolism is mostly determined by genetics and is also influenced by age, gender, overall body size, ...

Does temperature affect energy expenditure?

The climate and temperature you’re in can increase or decrease your total daily energy expenditure. Both higher temperatures and lower temperatures boost resting metabolic rate and increase calorie burn.

Does pregnancy increase energy?

Pregnancy. Although it’s not relevant to everyone, pregnancy also boosts total daily energy expenditure. But, the increase is mainly due to the extra weight a pregnant woman carries during pregnancy. During the latter stages of pregnancy, this can be substantial. When you carry more weight, you burn more calories when you do any type ...

What is resting metabolic rate?

Resting metabolic rate is very similar to basal metabolic rate and is a measure of how many calories your body needs each day just to maintain life. For example, it takes energy for your heart to beat, your liver to function, and for you to breathe. So, you’re burning calories even when you lie in bed.

Do men have a higher metabolic rate than women?

Men, independent of body fat percentage, usually have a higher resting metabolic rate than women. Resting metabolic rate also declines with age. So, you likely had a higher resting metabolic rate at age 20 than you will have at age 50.