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

• 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 BMIWeight (in pounds) x 703

BMI =Height (in inches)²

How Tall Are You In Inches?• 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 = 6060 + 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• Increase your calorie intake• Eat often• Take second helpings• Eat nutritious snacks• Build muscle

Healthy Weight Gain Strategies• Increase your calorie intake• Eat often• Take second helpings• Eat nutritious snacks• Build muscle