Body Composition Basic
Definition of Body Composition
The relative amounts of fat and fat-free tissues in the body
What percentage of U.S. adults are obese?
34%
What does BMI stand for?
Body Mass Index.
BMI: Is the pear shape more common in men or women?
Women
What is considered a healthy weight?
Having an appropriate amount of fat and fat-free tissue.
What percentage of U.S. children/adolescents are obese?
17%
What BMI value is considered obese?
30.0 or higher.
Health Risk: Name one chronic condition linked to obesity.
•Cardiovascular disease (CVD)
•Some cancers (breast, prostate, colon)
• Kidney disease
• Diabetes
What percentage of essential fat is needed for men and women?
NIH estimates that obesity directly contributes to ______ of deaths in the U.S.
15-20%
What BMI value is considered normal?
18.5 to <25
Quick Math: If someone’s fat-free weight is 100 lbs and they want 10% body fat, what’s their ideal weight?
111.1 lbs
What is storage fat and where is it found?
Fat located in adipose tissue; visceral (around organs) and subcutaneous (under skin).
What are two health effects of being underweight?
Loss of muscle mass and osteoporosis.
What is the relationship between BMI and body fat percentage?
Higher BMI generally correlates with higher % body fat
Quick Math: If someone weighs 150 lbs and has 20% body fat, what’s their fat-free weight?
120 lbs fat-free weight
Defined as abnormal or excessive fat
accumulation that presents a risk to health.
Overweight and obesity.
Name three conditions caused by severe underweight.
Heart problems, digestive disorders, and kidney damage.
How is BMI calculated using U.S. units?
703 × weight (lb) / height (in.)²
Body Composition: What does the term “fat-free weight” refer to?
The weight of all body components except fat (muscle, bone, organs, etc.).