Worksheet #3

Name: Period: Date:

Body Composition is the relative comparison of body fat to lean body mass (muscle, bone, organs.)

1.  What are the purposes and function of body fat?

Normal Physiological Functioning,

2.  List 3 uses for knowing your body composition.

3.  Fat and Muscle are two distinctly different things and one cannot turn into another.

MUSCLE / FAT
Properties: / Fibrous contractile and Connective tissue / Spongy substance
Adipose tissue, lipid
Weight/Density:
Function:
Change in response to exercise: / …………in size in response to exercise. / …………. In size in response to exercise.

4.  List and describe some methods for estimating Body Composition

1. 

2. 

3. 

4. 

5.  What is the recommended % body fat for males? For females?

6.  List and explain the 2 types of body fat. How much of each is recommended for males? For females?

Fat cells are formed during the last month of fetal development and continue to form until the early 20s. Fat cell formation is especially rapid during the first few years of life. After you 20s, the number of fat cells is set, but the can increasing size. Overfeeding children can lead to a lifetime of obesity. Your lifestyle and dietary habits as a teenager are factors in determining you health as an adult.

7.  What is a calorie?

8.  What is the equation for weight control?

9.  How many calories do you need to burn to lose 1 pound of fat?

10.  What is the true purpose of calories in?

11.  How do you burn calories? and

12.  How many calories can you burn in one minute by exercising in your training zone?

calories per minute.

13.  What are the tree somatotypes? What are their characteristics?

1. 

2. 

3. 

14.  What is the American Medical Association guideline to weight loss?

Pounds per week.

15.  Why is a combination of proper diet and exercise most effective for weight loss?

16.  Complete the following chart:

Nutrient / Food Source / Function in the Body / Cals/g / Recommended/Age% of calorie in day
Carbohydrate / Primary source of fuel
Fats / Metabolizes vitamins
Essential to proper body functions
Excess converts to body fat
Protein / Amino Acids to build muscles,
Organs,
Hormones, and enzymes

17.  Excess calories of carbohydrates, fats, and proteins are all converted to ?

18.  What should your fat intake be based upon?

19.  During exercise, your body uses mainly a From carbohydrates, fat or protein

20.  After 20-30 minutes of continuous aerobic activity, the body uses for fuel in a carbohydrates.