BMI and waist circumference Flashcards
How is BMI calculated?
kg/metre squared
Interpret a BMI of <18.5
Underweight
Interpret a BMI of 18.5 - 24.9
Normal
Interpret a BMI of 25 - 29.9
Overweight
Interpret a BMI of 30 - 34.9
Obese Class I
Interpret a BMI of 35-39.9
Obese Class II
Interpret a BMI of >40
Extreme obesity (class III)
Interpret a BMI of 12
Underweight
Interpret a BMI of 27
Overweight
Interpret a BMI of 18
Underweight
Interpret a BMI of 37
Obese class II
Interpret a BMI of 42
Obese class III
Interpret a BMI of 31
Obese class I
Interpret a BMI of 34
Obese class I
Interpret a BMI of 46
Obese class III
Interpret a BMI of 39
Obese class II
Define obesity
The imbalance between energy intake and expenditure
What % of SA men are overweight/obese?
29%
What % of SA women are overweight/obese?
56%
What is the minimal body fat percentage in men?
5%
What is the minimal body fat percentage in women?
8%
What is below average body fat percentage in men?
5-15%
What is below average body fat percentage in women?
14-23%
What is above average body fat percentage in men?
16-25%
What is above average body fat percentage in women?
24-32%
What is at risk body fat percentage in men?
> 25%
What is at risk body fat percentage in women?
> 32%
Interpret a body fat percentage of a man of 7%
Below average
Interpret a body fat percentage of a man of 16%
Above average
Interpret a body fat percentage of a man of 27%
At risk
Interpret a body fat percentage of a man of 5%
Minimal
Interpret a body fat percentage of a woman of 8%
Minimal
Interpret a body fat percentage of a woman of 16%
Below average
Interpret a body fat percentage of a woman of 38%
At risk
Interpret a body fat percentage of a woman of 28%
Above average
Give primary causes of obesity
Diet
Physical inactivity
Give secondary causes of obesity
Endocrine
Hypothalamic
Genetic disorder
How do you measure weight circumference?
Midway top of pelvis and lower rib cage edge
BREATHE OUT
What MUST a patient do while their waist circumference is measured?
Breathe out
What is the standard male waist circumference?
≤94
What is the standard female waist circumference?
≤80
Increased risk for which comorbidities is increased with an increased BMI/waist circumference?
Type II DM
Dyslipidaemia
Hypertension
Cardiovascular disease