This isn’t the only place where BMI falls apart either. BMI is also not reliable to use on elderly adults, who generally have lost some amount of muscle and bone mass. In this case, an elderly person’s BMI could be within a normal range while they might actually be overweight.
Who should not use BMI?
A person is considered underweight if the BMI is less than 18.5. 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.
Why is BMI not accurate?
BMI (body mass index), which is based on the height and weight of a person, is an inaccurate measure of body fat content and does not take into account muscle mass, bone density, overall body composition, and racial and sex differences, say researchers from the Perelman School of Medicine, University of Pennsylvania.
Why is BMI not the best indicator of Overfat?
It has been shown that BMI fails to identify around half of people with excess body fat, making its use questionable. This means that many normal weight (BMI of 20-24.9) but overfat people may be unaware of the risks that their body fat poses to their health.
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 is the best BMI for a woman?
Doctors consider a healthy BMI for women to be 18.5–24.9. A BMI of 30 or above may indicate obesity. BMI measurements can help someone understand whether they have underweight or overweight.
Does your BMI really matter?
To put it simply: You can be totally healthy with a higher BMI. Conversely, you can be unhealthy with an average or lower BMI. Schuchmann explains that those with more muscle mass, think athletes and bodybuilders, will have a higher BMI. “Muscle weighs more than fat.
What is the healthiest BMI?
According to the National Institutes of Health (NIH): A BMI of less than 18.5 means that a person is underweight. A BMI of between 18.5 and 24.9 is ideal. A BMI of between 25 and 29.9 is overweight.
Is BMI accurate if you are muscular?
Crucially, BMI doesn’t distinguish between fat and muscle and studies have found it unreliable.
What is a good BMI percentage?
The higher the BMI, the greater the risk of developing additional health problems. A healthy weight is considered to be a BMI of 24 or less. A BMI of 25 to 29.9 is considered overweight. A BMI of 30 and above is considered obese.
What is more important BMI or body fat percentage?
While BMI is a rough estimate of body fat, body fat percentage is a more accurate number. BMI, but not overfat. Likewise, a person of normal weight on the BMI scales may still be overfat and at risk of weight-related diseases.
What is a good waist size for a woman?
For your best health, your waist should be less than 40 inches around for men, and less than 35 inches for women. If it’s larger than that, you may want to talk with your doctor about what your next steps are, including losing weight. You can’t spot-reduce your waist, or any other part of your body.
What are the disadvantages of BMI?
Disadvantages of BMI
BMI is a simple mathematical formula that measures body fat based on your height and weight. It does not take into account the source of the weight – whether it is from lean tissue or fat. BMI does not distinguish between the type of fat one carries – whether it is subcutaneous or visceral fat.
Is a BMI of 23.6 good?
If your BMI is between 18.5 and 24.9, your BMI is within the healthy weight category. This is generally good for your health. … If your BMI is between 25 and 29.9, your BMI is within the overweight category. This may not be good for your health.
What is importance of BMI?
Your BMI is a measurement that is a ratio of your weight and height. It’s a good way to gauge whether your weight is in healthy proportion to your height. In fact, knowing your BMI can help you – and your GP – determine any health risks you may face if it’s outside of the healthy range.