Energy Budgets and Obesity Indicators Flashcards
One calorie is…
The quantity of heat energy required to raise the temperature of 1cm3 of water by 1 degree celcius
1000 calories is equal to…
1 Calorie
1 Calorie is equal to…
4180 joules or 4.18KJ
What is the basal metabolic rate?
The energy needed for essential processes such as the pumping of the heart, breathing and maintaining a constant body temperature
When is a basal metabolic rate higher? (4 things)
In males, heavier people, younger people and more active people
When can someone become underweight?
When they consume fewer kilojoules per day than they use
When can someone become overweight?
When they consumer more energy than they use often
What are two commonly used obesity indicators?
BMI and waist to hip ratio
How is BMI calculated?
Body mass/kg divided by height/m2
When may BMI not be accurate? (3 things)
For athletes, people over 60 and those with long term heath conditions
How is waist to hip ratio calculated?
Waist circumference is divided by hip circumference
WHy is waist to hip ratio considered a better measure of obesity?
Because there is continuous positive correlation between waist to hip ratio and heart attacks
What five things is an individual more at risk of if they are obese?
CHD, Stoke, Type 2 diabetes, High blood pressure and Elevated blood lipid levels
