Ponderal index
Ponderal Index
The Ponderal Index (Pronunciation: Pon-der-al In-dex) is a calculation used in medical science to assess the leanness or corpulence of an individual. It is similar to the Body Mass Index (BMI), but it gives a more realistic representation as it considers the individual's height. The Ponderal Index is also known as Rohrer's Index after the Swiss doctor, Fritz Rohrer, who introduced it.
Etymology
The term "Ponderal Index" is derived from the Latin word "ponderalis", which means "weight". The term "index" is from the Latin "indicis" meaning "pointer" or "indicator". Thus, the Ponderal Index is an indicator of weight.
Calculation
The Ponderal Index is calculated by dividing the weight of the individual (in kilograms) by the height of the individual (in meters) cubed. The formula is as follows:
- Ponderal Index = Weight (kg) / Height (m)^3
Related Terms
- Body Mass Index: A measure of body fat based on an individual's weight in relation to their height.
- Obesity: A medical condition characterized by an excess of body fat.
- Underweight: A condition in which a person's body weight is considered too low to be healthy.
- Overweight: A condition in which a person's body weight is higher than what is considered healthy for a given height.
- Rohrer's Index: Another name for the Ponderal Index.
See Also
External links
- Medical encyclopedia article on Ponderal index
- Wikipedia's article - Ponderal index
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