Nutrition, 7.4 Book Notes

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What are desirable amounts of body fat in woman?

21-35%

What are desirable amounts of body fat in men?

8-24%

Definition of Dual Energy X-ray absorptiometry (DEXA)

A highly accurate method of measuring body composition and bone mass and density using multiple low-energy X-rays

Definition of Air Displacement

A method for estimating body composition that makes use of the volume of space taken up by a body inside a small chamber.

Definition of underwater weighing

A method of estimating total body fat by weighting the individual on a standard scale and then weighting him or her again submerged in water. The difference between the two weights is used to estimate total body volume.

What is upper-body obesity also known as?

Android obesity

Why is lower-body obesity more common in females?

Because estrogen and progesterone encourage lower-body fat storage

Why is a android obesity typically found in men?

Because high blood testosterone levels encourage upper-body obesity

Upper-body obesity is closely related with what health risks?

Cardiovascular disease Hypertension Type 2 diabetes

What is the most accurate way to determine body fat?

DEXA

What is lower-body obesity also known as?

Gynoid or gynecoid obesity

How can body weight be measured?

On a scale

Definition of bio-electrical impedance

The method to estimate total body fat that uses a low-energy electrical current. The more fat storage a person has, the more impedance (resistance) to electrical flow will be exhibited.

What is lower-body obesity?

The type of obesity in which fat storage is primarily located in the buttocks and thigh area.

Definition of Upper-body obesity

The type of obestiy in which fat is stored primarily in the abdominal area; defined as a waist circumference more than 40 in. (102 centimeters) in men and more than 35 in. (89 centimeters) in woman

What is a common method used to estimate body volume?

Underwater weighing

What kind of obesity interferes with the liver's ability to use insulin and negatively affects lipoprotein metabolism by the liver?

Upper-body obesity

What must be known to measure body fat content accurately?

body weight and body volume


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