Body mass index (BMI), also known as the Quetelet's Index, is a widely used measure to evaluate the relationship between weight and height. This index has gained significant popularity among researchers and physicians as it provides a quick and practical means to evaluate body composition. By utilizing BMI, professionals can efficiently gauge an individual's relative weight status based on their height.
Test Requirements
How to conduct this test?
Measure the athlete’s height and then measure the subject’s weight. To determine Body Mass Index (BMI) you need the appropriate formula according to unit you used.
Formula
In metric units: BMI = weight (kg) ÷ height2 (meters)
In US units: BMI = weight (lb) ÷ height2 (inches) * 703.
Online calculator
You may simply apply our online calculator for BMI determination.
Analyzing and Assessment
Many experts believe that a BMI between 18 and 25 is suitable for most people. Of course, there are groupings for different genders. For example, 20 to 25 for men and 18 to 25 for women are considered acceptable ranges.
Note: This test is not suitable for athletes. We cannot categorize an overweight athlete as obese, because of his muscles. It is recommended that athletes use more advanced tests.
| BMI | Assessment |
|---|---|
| Under 18 | Low |
| 18 to 25 | Normal |
| 25 to 30 | Overweight |
| 30 to 35 | Obese Class 1 |
| 35 to 40 | Obese Class 2 |
| > 40 | Obese Class 3 |
Scientific and Methodological Aspectst
The population of this test is for the age of over 18.
Reliability
Reliability would depend upon how strict the test is conducted.
Validity
There are published tables to relate results to potential level of fitness and the correlation is high.
Relevant Posts
Author:
Referencess
Book. Ultimate Sports Test, Alireza Amani
Alireza Amani, Ph.D. Sports Science.
