Body Composition and Posture

Question 1

What is body composition?

Answer 1

Relative percentage of body weight that is compromised of fat and fat-free tissue.

Question 2

What is a healthy body fat percentage for male vs females?

Answer 2

Males = 12-18%
Females = 18-23%

Question 3

What are 2 forms of densitometry?

Answer 3

Hydrostatic weighing

Plethysmography

Question 4

What is the most common method used to determine body density? Describe this method.

Answer 4

Hydrostatic weighing

Method: Calculates the density of the body by submerging the body in water and measuring the amount of water that becomes displaced

Question 5

What is plethysmography?

Answer 5

Method that calculates body density utilizing the amount of air displacement during testing within a specialized closed chamber.

Question 6

When determining body fat, how many standardized body sites can be used?

Answer 6

9

Question 7

Which side of the body should all skin fold measurements be taken on?

Answer 7

Right

Question 8

List the 9 standardized skinfold sites.

Answer 8

Abdominal
Triceps
Biceps
Chest/pectoral
Medial calf
Midaxillary 
Subscapular 
Suprailiac  
Thigh

Question 9

Describe bioelectrical impedance analysis (BIA).

Answer 9

Method that assess body composition using a small electrical current and measures the resistance or opposition to the current flow.

Question 10

Describe ideal plumb line alignment. (9)

Answer 10

Slight posterior to the coronal suture
Through the external auditory meatus
Through the axis of the odontoid process
Midway through the tip of the shoulder
Through the bodies of the lumbar vertebrae
Slightly posterior to the hip joint
Slightly anterior to the axis of the knee joint
Slightly anterior to the lateral malleolus
Through the calcaneocuboid joint