Body Image
• Media messages can have a strong impact
on a person’s body image. In your
notebooks write down ways that media can
affect body image. Give examples.
Maintaining a Healthy
Weight
Calories
• Units used to measure energy
– Energy in food
– Energy your body uses for life processes and
physical activity
• Calorie Balance
– Calories Consumed = Calories Burned
– Calories Consumed < Calories Burned
– Calories Consumed > Calories Burned
Factors that Influence
Appropriate Weight Range
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Age
Gender
Height
Body frame
Growth rate
Metabolic rate
Activity level
BMI
• Body Mass Index – Ratio that allows you to
assess your body size in relation to your
height and weight
• Charts take gender and age into account
• There is no single size or shape that is
normal for everyone
Calculating BMI
Weight (in pounds) x 703
BMI =
Height (in inches)²
How Tall Are You In Inches?
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4 feet = 48 inches
5 feet = 60 inches
5” 2’ = 62 inches
5” 4’ = 64 inches
5” 6’ = 66 inches
5” 8’ = 68 inches
5” 10’ = 70 inches
6 feet = 72 inches
Remember:
1 foot = 12 inches
So to calculate
multiply feet by 12
and then add the
inches
If you are 5” 3’:
5 x 12 = 60
60 + 3 = 63 inches tall
Overweight vs. Obesity
• Overweight – a condition in which a person
is heavier than the standard weight range
for his or her height
• Obesity – having an excess amount of body
fat
Healthy Weight Loss Strategies
• Instead of 2,000 calories eat 1,700 to
1,800
• Include your favorites in moderation
• Eat a variety of low-calorie, nutrient
dense foods
• Drink plenty of water
• Increase physical activity
• You should only lose about a pound a
week
Risky Diet Strategies
• Fad Diets – weight loss plans that are
popular only for a short period of time
• Liquid diets
• Fasting
• Diet pills
Weight Cycling
• The repeated pattern of loss and
regain of body weight
–Slow steady weight loss is better and
safer
Eating Disorders
• Extreme, harmful eating behavior that can cause
serious illness or death
– Exact causes are unknown
– Mental disorder
• Anorexia – disorder in which the irrational fear of
becoming obese results in severe weight loss from self
imposed starvation
• Bulimia – disorder in which some form of purging or
clearing the digestive tract follows cycles of overeating
• Binge Eating – A disorder characterized by compulsive
overeating
– Do not purge themselves
Underweight
• Underweight – a condition in which a
person is less than the standard weight
range for his or her height
– Decreased ability to fight disease
– Fatigue
Healthy Weight Gain Strategies
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Increase your calorie intake
Eat often
Take second helpings
Eat nutritious snacks
Build muscle
Healthy Weight Gain Strategies
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Increase your calorie intake
Eat often
Take second helpings
Eat nutritious snacks
Build muscle