Nutrition for Nurses

study guides for every class

that actually explain what's on your next test

Body mass index

from class:

Nutrition for Nurses

Definition

Body Mass Index (BMI) is a numerical value derived from an individual's weight and height, providing a rough estimate of body fat. It is commonly used to classify underweight, normal weight, overweight, and obesity in adults.

congrats on reading the definition of Body mass index. now let's actually learn it.

ok, let's learn stuff

5 Must Know Facts For Your Next Test

  1. BMI is calculated using the formula: weight (kg) / height (m)^2.
  2. A BMI of less than 18.5 indicates underweight; 18.5-24.9 is normal; 25-29.9 is overweight; and 30 or above is considered obese.
  3. BMI does not directly measure body fat but correlates with more direct measures of body fat.
  4. Factors such as muscle mass, bone density, and overall body composition can affect the accuracy of BMI.
  5. Healthcare professionals use BMI as a screening tool but not as a diagnostic measure for health.

Review Questions

  • What formula is used to calculate Body Mass Index?
  • How is BMI categorized in terms of weight status?
  • Why might BMI be an inaccurate measure for certain individuals?
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
Glossary
Guides