What does BMI stand for?

Body Mass Index, commonly abbreviated as BMI, is a numerical value derived from an individual's weight and height. It is calculated by dividing a person's weight in kilograms by the square of their height in meters. This metric is widely used as a simple method to assess whether an individual has a healthy body weight for a given height. BMI can help categorize individuals into different weight categories, such as underweight, normal weight, overweight, and obesity, which can have implications for health risk assessments.

The other options do not accurately represent what BMI stands for. They either misstate the terminology or change significant components of the definition, making them incorrect as alternatives. Understanding the correct definition of BMI is essential for fitness professionals, as it serves as an introductory screening tool for body weight status and potential health risks associated with being either underweight or overweight.