BMI is a screening tool used to identify individuals who are underweight, overweight, or obese. BMI is NOT a diagnostic tool (Barlow, 2007). For example, a child who is relatively heavy may have a high BMI for his or her age.
Why is BMI not a diagnostic tool?
BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.
Is BMI a valid test?
As with most measures of health, BMI is not a perfect test. For example, results can be thrown off by pregnancy or high muscle mass, and it may not be a good measure of health for children or the elderly.
What type of test is BMI?
Body mass index (BMI) is a person’s weight in kilograms divided by the square of height in meters. BMI is an inexpensive and easy screening method for weight category—underweight, healthy weight, overweight, and obesity.
What assessment tool is used when BMI body mass index is needed?
The BMI Calculator is an easy-to-use online tool to help estimate body fat. It is also good a measure of patients’ risk of heart diseases that occur with more body fat. The higher your BMI, the higher your risk of obesity-related disease.
Why do doctors still use BMI?
Body mass index, or BMI, has been used for over 100 years to help health professionals decide whether a patient is overweight or underweight. It is used in population studies, by doctors, personal trainers, and others.
What should I use instead of BMI?
Better than BMI: 4 ways to track your health besides the scale
- Waist-to-height ratio (WHtR) The cousin of the BMI, waist-to-height ratio compares — you guessed it — waist circumference to height, rather than overall weight to height squared. …
- Measurements. …
- Resting heart rate (RHR) …
- Skinfold Calipers.
What are the negatives of BMI?
Since muscle weighs more than fat, BMI isn’t accurate in patients with extreme amounts of muscle. And this can cause unnecessary concern or a faulty sense of security for many adults. For example, a fit person with dense muscle could be categorized as overweight based on BMI.
What weight do I need to be to have a BMI of 25?
4 in. tall is considered overweight (BMI is 25 to 29) if she weighs between about 145 and 169 pounds. She is considered obese (BMI is 30 or more) if she is closer to 174 pounds or more.
What is my ideal weight?
Weight and height guide chart
|4ft 10″ (58″)||91 to 115 lbs.||119 to 138 lbs.|
|4ft 11″ (59″)||94 to 119 lbs.||124 to 143 lbs.|
|5ft (60″)||97 to 123 lbs.||128 to 148 lbs.|
|5ft 1″ (61″)||100 to 127 lbs.||132 to 153 lbs.|
What is ideal BMI for female?
A BMI of 18.5–24.9 is considered normal or healthy for most women. Even though healthcare professionals can use BMI as a screening tool, they shouldn’t use it as a method to evaluate a person’s body fat levels or health status ( 32 ).
How do you perform a BMI test?
There are three steps to working out your BMI.
- Measure your weight. Use scales, making sure they’re on a hard, level surface. …
- Measure your height. Use a tape measure that’s taped to a hard, straight wall, with the base at floor level. …
- Calculate your BMI. Calculate your BMI by using the Healthy Weight Guide BMI calculator.
What tests do you order for obesity?
These exams and tests generally include:
- Taking your health history. …
- A general physical exam. …
- Calculating your BMI . …
- Measuring your waist circumference. …
- Checking for other health problems. …
- Blood tests.
What is my ideal weight in kg?
Ideal body weight (men) = 50 kg + 1.9 kg for every inch above 5 feet. Ideal body weight (women) = 49 kg + 1.7 kg for every inch above 5 feet.
Is 15 a good BMI?
A BMI between 25 to 29.9 is considered overweight. Anything over 30 is considered obese. Normal BMI is between 18.5 and 24.9.
Is a BMI of 16 good?
BMI is not a perfect system for measuring body fat, however in most cases BMI is reliable and gives a fair indication of body fat levels.
|Between 15 and 16||Severely underweight|
|Between 16 and 18.5||Underweight|
|Between 18.5 and 25||Healthy weight|
|Between 25 and 30||Overweight|