Lab 4: Your Body Composition
(ANSWER EVERYTHING IN RED)
Name:
Date:
Section:
Directions: 1) Complete the following sections. 2) Save the document to your computer
or disk. 3) Place in the dropbox before the due date/time.
Help: For help with this lab, please refer to chapter 7 in your textbook.
PART I: Body Mass Index (BMI)
Go to http://www.nhlbisupport.com/bmi/ by clicking on the link or copy and paste the link
into your browser. Use this information to complete questions 1 and 2 below.
1. Your Body Mass Index (BMI):
2. Your BMI Category (a.k.a. Weight Classification):
3. Is your BMI category what you thought it would be? (Yes/No):
4. Explain your answer in number 3 (Minimum of 3 sentences):
PART II: BODY COMPOSITION (BODY FAT)
Use your BMI and Table 7.2 on page 203 in your textbook to determine your estimated
percentage of body fat and record below.
5. Estimated Body Fat Percentage:
6. What is your reaction to your estimated body fat percentage (Minimum of 3
sentences):
Dual-energy x-ray absorptiometry, hydrostatic weighing, air displacement, bioelectrical
impedance, and estimates from circumferences or BMI are 5 different methods to
measure body composition (body fat). Use pages 201-202 in your book to determine
which of the 5 is:
7. Most accurate method:
8. Least accurate method:
PART III: WAIST TO HIP RATIO
Your waist to hip ratio can help determine your risk of disease. Locate a cloth or plastic
tape measure. If you do not have a tape measure, use a string and then a ruler of some
type to determine length of string. To obtain waist circumference, measure at the
narrowest part of the torso. If you are unable to determine the narrowest part of the
torso, measure at the navel. To obtain hip circumference, measure where the
hip/buttock circumference is the greatest. Record measurements below.
