Body Weight, Energy Balance, and Obesity

Question 1

What percentage of the adult population in the US is obese?

Answer 1

35%

Question 2

How much does obesity cost the US a year?

Answer 2

147 billion

Question 3

What are the components of energy expenditure?

Answer 3

Basal Metabolism
Thermic effect of Food
Physical Activity
Dietary intake

Question 4

What is BMI?

Answer 4

Body Mass Index

Question 5

BMI Classifications?

Answer 5

<18.5 Underweight
18.5 to 24.9 Normal Weight
25 to 29.9 Overweight
30 to 34.9 Obese class 1
35 – 39.9 Obese class 2
>40 Extreme obesity (morbid obesity/ obesity class 3)

Question 6

Apple Shape equals what?

Answer 6

central obesity

Question 7

Pear Shape equals what?

Answer 7

lower obesity

Question 8

What is central obesity?

Answer 8

excessive abdominal fat around the stomach and abdomen has built up to the extent that it is likely to have a negative impact on health

Question 9

What is visceral fat?

Answer 9

(intraperitoneal, associated with organs)

More unhealthy fat

Question 10

What is Subcutaneous fat?

Answer 10

under the skin

>80% of total body fat

Question 11

Is there a best dietary approach to weight loss?

Answer 11

no, tailored to each person as everyone ins different

Question 12

What do people who lose weight successfully do?

Answer 12

Some lose weight quick, overs up to as long as 14 years
45% started on their own, 55% with some program
98% of participants say they modified their food intake in some way to lose weight
94% increased their physical activity – usually walking
Most report maintaining a low calorie diet and high levels of physical activity

Question 13

Why is obesity a health problem?

Answer 13

energy balance, energy in = energy out

Question 14

What are the causes of obesity?

Answer 14

social, behavioral, cultural, physiological, metabolic, genetic factors