Teen Health Course 3

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Chapter 11 Your Body Image
Lesson 1 Maintaining a Healthy Weight
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• bodyimage

The way you see and feel about yourself

• appropriateweight

The weight that is best for your body
A measurement that allows you to assess your body
size, taking your height and weight into account

• body massindex (BMI)

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Weighing more than what is appropriate for your
gender, height, age, body frame, and growth
pattern

• overweight

Weighing less than what is appropriate for your
gender, height, age, body frame, and growth
pattern

• underweight

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• In this lesson, you will learn to
• identify the importance of a healthy body image.
• explain how eating and physical activity affect
  weight.
• describe ways to maintain a healthy weight.

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Identifying Cause and Effect As you go through
this lesson, identify factors that can have an
effect on your body image.
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Body Image

• As your body changes in your teen years, so does
  your body image.

body image The way you see and feel about your
body
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Body Image and Self-Esteem

• How you feel about your body can affect your
  self-esteem.

The changes your body is going through are normal.
The real world is very different than how the
media portrays body types.
Remember
Remember
The key to positive body image and high
self-esteem is having an optimistic attitude and
a healthy lifestyle.
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Body Image and Self-Esteem
Know what makes you happy.
Set realistic goals.
Spend time with people who appreciate you.
Get plenty of rest and exercise.
Eat well.
Do not compare yourself to others or to media
images.
Develop a style that is all your own.
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Your Appropriate Weight

• Everyone has an appropriate weight.

appropriate weight The weight that is best for
your body
Your appropriate weight is determined by your
gender, age, height, and body build or frame.
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Body Mass Index

• You can determine if your weight is in an
  appropriate range by calculating your body mass
  index (BMI).

body mass index (BMI) A measurement that allows
you to assess your body size, taking your
height and weight into account
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Body Mass Index
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Weight Problems

• If your BMI falls above the appropriate range,
  you may be overweight.

overweight Weighing more than what it is
appropriate for your gender, height, age, body
frame, and growth pattern
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Weight Problems

• If your BMI falls under the appropriate range,
  you may be underweight.

underweight Weighing less than what it is
appropriate for your gender, height, age, body
frame, and growth pattern
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Overweight Teens

• The number of overweight teens has risen by 300
  percent in the last 40 years.

Factors Contributing to the Rise of Overweight Teens
Overeating
Eating too many empty-calorie foods
Too little physical activity
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Overweight Teens
Risks of Being Overweight
Added stress on the heart and lungs
Type 2 diabetes
Heart disease
Cancer
Stroke
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Underweight Teens

• Teens who are underweight lack body fat, which is
  an important source of energy.
• Teens who are underweight may also be
  undernourished.

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Underweight Teens
Risks of Being Underweight
Decreased ability to fight infection
Anemia
Tiredness and feelings of being rundown.
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Reaching an Appropriate Weight
The Energy Equation
Balance
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Reaching an Appropriate Weight
Females between the ages of 14 and 18 need
approximately 1,800 to 2,400 calories each day
depending on how active they are.
Males between the ages of 14 and 18 need
approximately 2,200 to 3,200 calories each day
depending on how active they are.
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Beyond the Energy Equation
Chocolate Bar
Turkey Breast Sandwich on Whole Wheat Bread
250 Calories
250 Calories
Empty calories
Nutrients from 2 food groups
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Managing Weight in a Healthy Way

• A person who needs to lose weight should do so
  gradually.
• Do not take short cuts using fad diets, diet
  pills, or extreme workout programs.

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Managing Weight in a Healthy Way

• A person who needs to gain weight should
  carefully analyze how they can gradually add
  calories and nutrients.
• If you need to adjust your weight, talk to your
  health care provider.

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Lesson 1 Review
What I Learned
Vocabulary What is the meaning of appropriate
weight?
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Lesson 1 Review
What I Learned
Recall Why is a healthy body image important?
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Lesson 1 Review
What I Learned
Explain What factors is your BMI based on? What
does your BMI tell you?
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Lesson 1 Review
What I Learned
Identify What are some healthful ways to reach
an appropriate weight?
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Lesson 1 Review
Thinking Critically
Describe How can eating and physical activity
habits affect weight? What can you do to assure
your habits are healthy?
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Lesson 1 Review
Thinking Critically
Apply Imagine that a teen takes in 2,000
calories each day and burns 2,300 calories. Over
time, what will happen to the teens weight?
Explain your answer.
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End of
Chapter 11 Your Body Image
Lesson 1 Maintaining aHealthy Weight
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