Body Composition

Question 1

What is your total body fat subdivided into?

Answer 1

Essential and Storage fat

Question 2

What risk factors increase with increased body fat?

Answer 2

Heart disease
High BP
Gallstones
Type 2 diabetes
Osteoarthritis

Question 3

What is the density of fat?

Answer 3

0.901 g/cc

Question 4

What is the density of FFM?

Answer 4

1.100 g/cc

Question 5

What is FFM in the reference body divided into?

Answer 5

73. 8% water
74. 4% protein
75. 8% mineral

Question 6

Name several ways we can measure body fat?

Answer 6

Volumetry
DEXA
BMI
Waist Circumference
Bioelectrical impedence
Skinfold
Hydrostatic

Question 7

Give 3 reasons why you might choose to use BMI and WC over Skinfolds.

Answer 7

Ease of measuring
easier to explain to the client
less equipment needed.
The person has too much fat to take skinfolds

Question 8

A female has a WC of 82 cm and a BMI of 25. What is her relative risk of disease?

Answer 8

Increased

Question 9

List two disadvantages to using skinfolds to assess body fat.

Answer 9

limitation on who you can test (overfat)
Indirect test
Need a lot of practice to become competent on performing the test

Question 10

Which are more accurate, plastic or metal skinfold calipers? Why?

Answer 10

Metal
More precise
Larger range of measure