Body Composition Assessment Exam 1

Question 1

What is Body Composition based on?

Answer 1

Fat Mass & Fat Free Mass

Question 2

What is the goal of Body Composition?

Answer 2

Attempt to find the percentage of the total mass for each compartment

Question 3

How is Body Mass Index(BMI) calculated?

Answer 3

-Weight relative to height
-Kg/m^2

Question 4

Android(Apple Shaped)

Answer 4

-Fat stored more in trunk/abdomen

Question 5

Gynoid(Pear Shaped)

Answer 5

Fat stored more in hips & thighs

Question 6

What is the more desired distribution pattern that decreases risk for many health issues?

Answer 6

Gynoid(Pear Shaped)

Question 7

How to find Waist-to-Hip-Ratio value?

Answer 7

Waist(cm)/Hip(cm)

Question 8

What do skinfold measurements calculate?

Answer 8

Body Density

Question 9

What does Body Density calculate?

Answer 9

% Body Fat

Question 10

Advantages of Skinfolds

Answer 10

-Inexpensive
-Widely Used
-Accurate if performed correctly

Question 11

Disadvantages of Skinfolds

Answer 11

-Prone to error
-Requires highly trained technician
-Not very accurate for lean/very obese individuals
-Can be uncomfortable for participant

Question 12

Hydrostatic Weighing

Answer 12

Uses water displacement to determine body density

Question 13

BodPod (Air Plethysmography)

Answer 13

Uses air displacement to determine body density

Question 14

Bioelectrical Impedance Analysis(BIA)

Answer 14

Estimates total body water content

Question 15

Dual-Energy X-Ray Absorptiometry (DEXA)

Answer 15

-Utilizes low level X-ray beams
-Fat Mass, Fat Free Mass, Bone, etc. absorb beams differently

Question 16

BMI Classification

Answer 16

-Men 102cm, Women 88cm
-Underweight less than 18.5kg x m^2
-Normal 18.5-24.9 kg x m^2
-Overweight 25.0-29.9kg x m^2
-Obesity starting at 30.0-34.9 kg x m^2, increases every stage by 5.0, 3 stages