Body Composition

What is Body Composition?• The percentage body fat to lean body

tissue. Including water, bone, and muscle.

• Physical activity and nutrition affect

body composition.

Lean Body Weight

• The combined weight of bone, muscle, and connective tissue.

Essential Fat• Minimum amount of body fat necessary

for good health.

– Insulates body– Cushions your internal organs– Provides a source of stored energy

Being Overweight…• The condition in which a person is

heavier than the standard weight range for his or her height.

Obesity

• Obesity is an excess proportion of total body fat. A person is considered obese when his or her weight is 20% or more above normal weight.

• A person is considered obese if his or her BMI is over 30.

• "Morbid obesity" means that a person is either 50%-100% over normal weight, more than 100 pounds over normal weight, has a BMI of 40 or higher

What Causes Obesity?

• poor eating habits • overeating or binging • lack of exercise (i.e., couch potato kids) • family history of obesity • medical illnesses (endocrine, neurological problems) • medications (steroids, some psychiatric medications) • stressful life events or changes (separations, divorce,

moves, deaths, abuse) • family and peer problems • low self-esteem • depression or other emotional problems

What are risks and complications of obesity?

• increased risk of heart disease

• high blood pressure

• diabetes

• breathing problems

• trouble sleeping

Facts:• Between 16 and 33 percent of children and

adolescents are obese.• 15.5 percent of teens are obese.• 45.9 percent of teens are at risk for developing health

problems due to weight.• Fast food: 80 percent of teens underestimated the

calories in their fast-food meals; they guessed 800 calories when the calorie count was really almost double that: 1,500.

• Screen time: One third of teens spend close to 40 hours on TV and the computer every week and about 7 percent spend more than 50

Percentage by Age Group, Ages 2–19

Percentage by Sex, Ages 2–19

Body Types

There is no single ideal body weight, size, shape,or body type for everyone.

But there are healthy weight ranges for each individual!

Woman Body Types

Ectomorph• Delicate Built Body• Flat Chest• Fragile• Lean• Lightly Muscled• Small Shouldered• Takes Longer to Gain Muscle• Thin

Mesomorph• Athletic• Hard Body• Hourglass Shaped (Female)• Rectangular Shaped (Male)• Mature Muscle Mass• Muscular Body• Excellent Posture• Gains Muscle Easily• Gains Fat More Easily Than Ectomorphs• Thick Skin

Endomorph

• Soft Body

• Underdeveloped Muscles

• Round Physique

• Weight Loss is Difficult

• Gains Muscle Easily Like the Mesomorph.

Body Mass Index (BMI)• A way to test body size in relation to

your height and weight.

• One way to determine if your weight is within a healthy range.

Ways to test your body composition.

• Body Mass Index (BMI)

• Bioelectrical Impedence

• Body Circumference

• Skinfold Measure using calipers.

• Hydrostatic Weighting

• Bod Pod