Unit 14: Body Composition

Question 1

Skinfold Calipers

Answer 1

The specialized calipers used to measure the thickness of skinfolds.

Question 2

Skinfold Measurement

Answer 2

A method for determining body composition that involves measuring the thickness of selected folds of skin using special calipers.

Question 3

Hydrostatic Weighing

Answer 3

A method for determining body composition that involves weighing the body underwater.

Question 4

Air Displacement Plethysmograph

Answer 4

An air displacement plethysmograph that uses whole-body densitometry to determine body composition in adults and children and can accommodate a wide range of populations.

Question 5

Bioelectrical Impedance

Answer 5

A body composition method that uses electricity and measurements to determine the proportion of the components in the body like body fat.

Question 6

Dual Energy X-Ray Absorptiometry

Answer 6

Highly sophisticated, DEXA machine body composition determination uses what is referred to as a three-compartmental model that differentiates the body into the components of bone, fat soft tissue, and lean soft tissue.

Question 7

B-mode ultrasound

Answer 7

Sending an acoustic wave from a transducer and interpreting the reflection of the wave by a receiver, which is located within the transducer. These reflections are interpreted by the machine and displayed as an image, and on-screen measurements can be determined from this.

Question 8

Skinfold Site - Subscapula

Answer 8

Oblique fold just below the bottom tip of the scapula.

Question 9

Skinfold Site - Suprailiac

Answer 9

Slightly oblique fold just above the hipbone (crest of the ileum); the fold follows the natural diagonal line.

Question 10

Skinfold Site - Abdomen

Answer 10

Vertical fold 1 inch to the right of the umbilicus.

Question 11

Skinfold Site - Triceps

Answer 11

Vertical fold at the posterior midline of the upper arm, halfway between the tip of the shoulder and the tip of the elbow; elbow remains extended in a relaxed position.

Question 12

Skinfold Site - Thigh

Answer 12

Vertical fold at the midline of the thigh, two-thirds of the distance from the middle of the patella to the hip.

Question 13

Skinfold Site - Chest

Answer 13

From the front crease of the armpit to the nipple, measure way up; using same angle, take a pinch.

Question 14

Average Male Percent Body Fat

Answer 14

20% when young

25% over 30 years old

Question 15

Average Female Percent Body Fat

Answer 15

24. 8% when young

31. 2% past 30 years old

Question 16

BMI

Answer 16

BMI is a measure of body weight relative to height. It is a person’s weight in kilograms divided by the square of height in meters.

Question 17

Underweight BMI

Answer 17

Below 18.5

Question 18

Normal or Healthy BMI

Answer 18

18.5–24.9

Question 19

Overweight BMI

Answer 19

25.0 –29.9

Question 20

Obese BMI

Answer 20

30.0 and Above

Question 21

Lean Body Mass

Answer 21

All of a body’s tissues apart from the body fat: the bones, muscles, organs, blood, and water.

Question 22

High Blood Pressure

Answer 22

Greater than or equal to 140/90 in either or both of the numbers.

Question 23

Optimal Blood Pressure

Answer 23

120/80

Question 24

Mesomorph

Answer 24

muscular body type

Question 25

Ectomorph

Answer 25

linear body type

Question 26

Endomorph

Answer 26

round body type