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 BMI

Weight (in pounds) x 703BMI =

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