Transcript What is body image?

Your Body Image
Physical Activity and
Fitness
Lesson 2, Chapter 4
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Which Looks the Best? Why?
Which Looks the Best?
Which Looks the Best?
Which Looks the Best?
Lesson overview
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•
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What is body image?
How do you determine your
appropriate weight?
What weight problems can a person
have?
How do calories affect your weight?
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson overview (cont’d)
• How can you reach your appropriate
weight?
• How do you manage weight change?
• What are some tips for weight
management?
• What are the risks of eating disorders?
• What is anorexia nervosa?
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson overview (cont’d)
• What is bulimia?
• What is binge eating disorder?
• How can you help someone with an
eating disorder?
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Quick Write
How are teens' body
images portrayed in
magazines and other
media? Write down
your opinions on this
issue.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What is body image?
• Body image—the way
you see yourself
• Feeling good about appearance =
positive self-image
• Trying to look like someone else =
unhealthful
• No ideal weight or body type
• Teen years = growth and change
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do you determine your
appropriate weight?
• Factors that influence appropriate weight (the
best weight for your body)
• Gender
• Height
• Age
• Body frame (small, medium, or large)
• Growth pattern (during your teen years)
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do you determine your
appropriate weight? (cont’d)
• Use the Body Mass
Index chart to see if
your weight is
appropriate.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What weight problems can a
person have?
• Overweight—more than the appropriate
weight for gender, height, age, body frame,
and growth pattern
• Eating empty-calorie foods or overeating leads to
weight gain.
• Weight gain is linked to sedentary lifestyle.
• Weight strains heart and lungs and increases risk of
certain diseases.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What weight problems can a
person have? (cont’d)
• Underweight—less than the appropriate
weight for gender, height, age, body frame,
and growth pattern
• Not consuming enough nutrients
• Excessive dieting and exercise
• Not enough fat to cushion body’s organs and bones
• Tired feeling due to insufficient food energy
• Little body fat as energy reserve
• Disorders such as anemia
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do calories affect your
weight?
• Calories measure energy available in
food and energy body uses.
• Teen females: 2,000–2,400 calories per day
• Teen males: 2,800–3,200 calories per day
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do calories affect your
weight? (cont’d)
• A healthful eating plan is based on foods with high
nutrient density…foods with large amounts of
nutrition value vs. the number of calories
• Examples of nutrient-dense foods:
• Grain Group: whole wheat pasta and breads, rice, tortillas,
bagels
• Fruit Group: all fruits
• Vegetable Group: all vegetables
• Meat and Bean Group: tofu, chicken, lean beef, tuna, beans
• Milk Group: low-fat and fat-free milk, yogurt, cheese
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How can you reach your
appropriate weight?
• Reducing calorie intake will help with
reaching appropriate weight.
• Smaller servings
• Broiled, baked, or steamed foods
• Herbs and spices instead of oils or cream
sauces
• Fewer soft drinks and more water
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How can you reach your
appropriate weight? (cont’d)
• Physical activity is important for healthy
weight.
• Physical activity
• Helps heart and lungs work better
• Helps strengthen and firm muscles
• Burns calories and helps maintain healthy weight by
helping to tone muscle and reduce fat
• Helps manage stress
• Helps you have more energy and develop higher
self-esteem
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do you manage weight
change?
• Healthful choices about weight change
cannot be replaced by fad diets, pills, and
other quick weight-loss “procedures.”
• Fasting is dangerous.
• Body wraps cause water loss, not fat loss.
• Weight may drop temporarily but returns
quickly.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How do you manage weight
change? (cont’d)
• Other behaviors that may put health at
risk:
• Quick weight-loss programs
• Special products or formulas
• Losing more than ½ to 1 pound per week
• Eating too few calories each day
• Skipping meals
Physical Activity and
Fitness
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What are some tips for
weight management?
• Learn to eat smart and stay active for a
lifetime.
• Work with a health-care professional.
• Set realistic goals.
• Burn calories through fun physical activities.
• Develop healthful eating habits.
• Plan meals and snacks.
• Watch portion sizes.
• To maintain weight you must burn off the same
amount of calories as you take in.
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Fitness
Lesson 2, Chapter 4, Your Body
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What are the risks of eating
disorders?
• Eating disorders—extreme and damaging
eating behaviors that can lead to sickness or
death
• Can be triggered by many factors
• Worries about weight loss that get out of control
• Obsession about food intake
• Low self-esteem
• Poor body image
• Depression
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What is anorexia nervosa?
• Anorexia nervosa—self-starvation leading to
extreme weight loss
• Physical conditions from anorexia nervosa
• Malnutrition
• Shrunken organs and bone loss
• Low body temperature and blood pressure
• Slowed metabolism
• Irregular heartbeat (may lead to cardiac arrest)
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Physical Activity and
Fitness
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What is bulimia?
• Bulimia—person eats large amounts of
food and then tries to purge
• May force themselves to vomit
• May take laxatives to force food quickly
through body
• Crash diets, including fasting, to make up
for overeating
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What is bulimia? (cont’d)
• Bulimia damages the body.
• Stomach acids from vomiting can damage
teeth and injure mouth and throat.
• Vomiting can cause stomach to rupture.
• Repeated use of laxatives can damage
kidneys and liver.
• Malnutrition can occur.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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What is binge eating
disorder?
• Binge eating disorder—compulsive overeating
• May be the most common eating disorder
• Large amounts of food eaten at a time
• Unlike bulimia, body is not rid of food
• Food may be used to cope with depression or other
mental/emotional problems
• Often leads to excessive weight and associated
health problems
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How can you help someone
with an eating disorder?
• Professional help
• Counselor/psychologist
• Clinics
• Support groups (Overeaters Anonymous)
• School nurse
• Friends and family provide support
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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How can you help someone
with an eating disorder?
(cont’d)
• You can help.
• Encourage person to seek help.
• Tell an adult.
• Get professional help.
• Encourage person to join support group.
• Recommend a follow-up.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review
• Body image is the way you see yourself.
• A person who feels good about his/her
appearance is more likely to have a positive
self-image.
• Factors influencing weight include gender,
height, age, body frame, and growth pattern.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• Body Mass Index (BMI)—measurement that
assesses body size, taking height/weight into
account
• Overweight—more than the appropriate
weight
• Weight gain—linked to eating empty-calorie
foods, overeating, and inactive lifestyle
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• Underweight—less than the appropriate
weight
• Most teens don't need to lose/gain weight.
Unwise dieting can interfere with normal
growth and development.
• Calories measure energy available in food and
energy your body uses.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• Burning more calories than you take in =
weight loss
• Taking in more calories than you burn =
weight gain
• Successful weight-change programs =
increased physical activity and healthful
eating
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• Fad diets, diet pills, and other quick weight
loss programs are ineffective and perhaps
unsafe.
• Eating disorders can lead to sickness or
death.
• Triggers include low self-esteem, poor body
image, and depression.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• Anorexia nervosa—self-starvation leading to
extreme weight loss
• Bulimia—eating large amounts of food and
then trying to purge
• Binge eating disorder—compulsive overeating
without ridding the body of food
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Lesson review (cont’d)
• People with eating disorders usually need
professional help.
• If you know someone with an eating disorder,
encourage the person to seek professional
help.
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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Summary
•
•
•
•
•
•
What is body image?
How do you determine your appropriate weight?
What weight problems can a person have?
How do calories affect your weight?
How can you reach your appropriate weight?
How do you manage weight change?
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
Image
37
Summary (cont’d)
•
•
•
•
•
•
What are some tips for weight management?
What are the risks of eating disorders?
What is anorexia nervosa?
What is bulimia?
What is binge eating disorder?
How can you help someone with an eating disorder?
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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38
Next
Done— Your body image
Next— Medicines and drugs
Physical Activity and
Fitness
Lesson 2, Chapter 4, Your Body
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