Principles of Strength and Conditioning
Body mass index (BMI) is a numerical value derived from an individual's weight and height, calculated by dividing weight in kilograms by the square of height in meters ($$BMI = \frac{weight (kg)}{height (m)^2}$$). It serves as a simple method for categorizing individuals into weight classifications such as underweight, normal weight, overweight, and obese, providing insights into overall body composition and health risk assessments.
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