Chapter 19, Problem 59AP

(a)

Interpretation Introduction

Interpretation: The percentage of body fat for person A should be estimated.

Concept introduction:

• Body fat is the total composition of fat in our body.
• Body fat percentage can be determined from body density. Various equations such as the Siri equation, Ortiz equation, Brozek equation relate body density to body fat %.
• Buoyancy is the ability of a body to float in water

(b)

Interpretation Introduction

Interpretation: The percentage of body fat for person B should be estimated.

Concept introduction:

• Body fat is the total composition of fat in our body.
• Body fat percentage can be determined from body density. Various equations such as the Siri equation, Ortiz equation, Brozek equation relate body density to body fat %.
• Buoyancy is the ability of a body to float in water

(c)

Interpretation Introduction

Interpretation: To identify the well-trained athlete among A and B.

Concept introduction:

• Body fat is the total composition of fat in our body.
• Body fat percentage can be determined from body density. Various equations such as the Siri equation, Ortiz equation, Brozek equation relate body density to body fat %.
• Buoyancy is the ability of a body to float in water

(d)

Interpretation Introduction

Interpretation: The body density of 20 year old man should be identified along with the reason for that the person floats in spite of the fact that his or her body density is greater than that of water.

Concept introduction:

• Body fat is the total composition of fat in our body.
• Body fat percentage can be determined from body density. Various equations such as the Siri equation, Ortiz equation, Brozek equation relate body density to body fat %.
• Buoyancy is the ability of a body to float in water