6 Questions
Which characteristic does NOT define a healthful body weight?
Exceeds 100% of normal body weight
What should be included when evaluating if a person's body weight is healthful?
Determining BMI, measuring body composition, assessing pattern of fat distribution
At what BMI range does the risk of health problems increase?
Values below 18.5 or above 30
Which of the following individuals might have a misleading BMI measurement?
An athlete with high muscle mass
How is obesity defined?
Excess body weight that negatively affects health
What does morbid obesity mean?
Body weight exceeds 100% of normal weight
Study Notes
Healthful Body Weight
- A healthful body weight is age-appropriate, maintained without constant dieting, and compatible with normal blood pressure, lipid levels, and glucose tolerance.
- It is also influenced by family history of body shape and weight.
- A healthful body weight promotes good eating habits and allows for regular physical activity, and is acceptable to the individual.
Evaluating Body Weight
- Evaluating body weight involves more than just considering a person's actual weight.
- It includes determining Body Mass Index (BMI), measuring body composition (fat vs. lean muscle), and assessing the pattern of fat distribution.
Body Mass Index (BMI)
- BMI is the ratio of weight to the square of height (weight in kg / height in m^2).
- BMI values:
- Below 18.5: underweight, associated with health risks
- 18.5-30: normal weight, associated with lowest disease risk
- Above 30: overweight or obese, associated with increased health risks
- Note: BMI results may differ in individuals with high muscle mass, such as athletes or lactating women.
- BMI categories:
- Underweight: too little body fat to maintain health
- Overweight: moderate amount of excess body fat
- Obesity: excess body weight that affects health
- Morbid obesity: body weight exceeds 100% of normal, associated with risk of health complications
Learn about the characteristics of a healthful body weight, including age-appropriate weight, normal blood pressure, and glucose tolerance. Also, discover how to evaluate body weight, considering factors beyond just weight, such as BMI and body composition.
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