Thursday, March 6, 2014

Healthy Weight Chart - Is BMI Reliable?

By Sam Jones


Lots of visitors to my website have commented on my article relating to the question: Am I Overweight? For this article I did some research relating to the current trends and opinions on measuring healthy weight using the healthy weight chart.

The healthy weight chart is a fairly crude formula that takes into account many general factors relating to the overall body shape of a person.

The healthy weight chart sometimes referred to as the height weight chart can be very confusing to some people.

Let me explain. These two tools are used as a basis for the calculation of the well known BMI measurement system for measuring Body Mass Index.

If you are not familiar with these charts you may well have seen one pinned to your doctor's wall in his surgery, but this method of calculating healthy body mass is not without its critics.

The fact is that due to many changes in lifestyle and the modern diet this age old method may well be due for retirement. In some cases it has produced some very misleading results.

The healthy weight of an individual can vary and the height weight chart is intended to be used as a guideline to determine if a man or woman is in the healthy weight range.

The healthy weight range system is a collection of data from many thousands of people worldwide and is designed using an average of many different people's data.

For most people the height weight chart gives quite an accurate indication of where you are within the band of the healthy weight range.

So is the height weight chart a reliable indicator of healthy weight?

Be aware that these simple tools can produce some misleading results for some people:

We identified a subject (over 6 foot in height) who has now been assessed as being at risk of fatty liver disease, even though his healthy weight range score indicated otherwise. This is an example of the problems with this simple system.

When fat is accumulated in the middle abdominal area it can increase the probability of fatty liver disease.

Men with an abdominal circumference of above 40 inches who are over 6 feet tall could be mislead as they may be considered in the overweight but not at risk category according to their BMI using the healthy weight chart.

Conclusion: Many practitioners are now moving towards the use of body fat percentage as a safer and more reliable method of calculating health risks relating to being overweight.




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