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The Body Mass Index or Body Mass Indicator (BMI) is an internationally used statistical measure of obesity by comparing a person's height and weight using a mathematical formula. Measuring and calculating the BMI is quite easy and anyone can calculate it with the use of a weighing machine Cheap Adidas NMD CS1 , scale or measuring tape and a simple calculator.

The formula for BMI is defined as an individual's body weight in kilograms divided by the square of the same individual's height. Its S. I. Unit is kgm2.

In order to use the BMI formula, the minimum height and weight of an individual must be 4 feet 10 inches (58 inches) and 91 pounds respectively.

The common (for both genders) weight status after calculating the BMI of an individual can be divided into four categories as given below:

1) Underweight - If BMI value below 18.50

2) Normal - If BMI is in the range of 18.50 and 24.90

3) Overweight - If BMI is between 25.00 and 29.90

4) Obese - If BMI value is above 30.00

Calculating the BMI

There are two accepted formulas for BMI calculation. These are:

1) Body Weight (kg) (Height in meters)2. - Standard International (SI) Formula.

2) Body Weight (lb) x 703 (Height in inches) 2.
Or
Body Weight (lb) x 4.88 (Height in feet) 2.

Now, if a person weighs 150 pounds and measures 65 inches (5.5 ft) in height, the BMI value will indicate that the person is normal.

Periodic calculation will help you keep a tab on your health. In case the BMI results over a period of time appear to be fluctuating Cheap Adidas NMD CRAZY BYW , it would be a good idea to talk to your personal trainer about the same.

Applications of BMI

1) BMI results are very closely related to mortality of an individual. A lower BMI value or a normal status indicates longer lifespan of an individual.

2) A very low BMI value is an indication of malnutrition especially protein deficit in an individual.

3) The BMI is used to prepare consensus data between various categories based on age, race, ethnicity, gender Cheap Adidas NMD City Sock 2 PK , etc.

4) Data concerning growth of children can be documented using this formula in the form of a chart.

Limitations of BMI

The major limitation is that BMI doesn't differentiate between muscle mass and body fat. This implies that body builders might show high BMI since they have a lot of muscle but that doesn't imply they are overweight. Similarly, people with disabilities will show a low BMI since they may have underdeveloped or deformed muscles. In such cases, BMI will be low but they may not actually be underweight.

Another limitation is that age is not considered when calculating BMI. So for elderly people, even if the BMI indication is normal Cheap Adidas NMD City Sock , the fact remains that most muscles have been lost because of age.

So in spite of being a tool to measure health and weight risks, some health experts question its accuracy.

BMI is basically a screening tool. It can't be used to diagnose medical conditions. For more detailed information and study, other aspects like diet history, exercise pattern Cheap Adidas NMD Chukka , family history, percentage of body fat, etc. should be included for a final conclusion.
Is UHDTV the Next Big Thing in HDTV? Technology Articles | October 23, 2010
This article is about Ultra High Definition TV (UHDTV) and the advancement it will lead us to over High Definition TV (HDTV). If you could have 2160p over 1080p Cheap Adidas NMD XR4 , how would your sports matches, soap operas, and cartoons look like?


The 2011 CES will likely show more large screen Ultra High Definition (UHD) displays with amazingly sharp detail on exhibit like at last year?s LG and Panasonic booths. But before your head starts to spin faster than a Dyson Vacuum about current LCD and Plasma HDTVs becoming obsolete, you can rest assured we probably won?t see UHD TVs in living rooms for another 10 years.

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If you think HDTV looks sharp and super realistic Cheap Adidas NMD XR1 , consider that 1920 x 1080 (1080p) will probably look like standard definition TV compared to UHD resolutions of 7680 x 4320 (8K) and 3840 x 2160 (4K). And if you thought 7.1 surround sound filled your room, how about 22.2 surround sound? Multiple speakers pointing in different directions can be placed inside a single enclosure.

Recent Announcements Show Evidence of Movement
Altera Corporation announced a single chip format converter that may help video processors like Vista System?s Spyder X20 provide dual 4K displays for a 3D UHD TV. Silicon Image Inc. announced the cineramIC-3D4K video decoder that could add another building block to a highly integrated 4K UHD TV.

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The highly acclaimed Red One video camera can record 4K video at 30 fps. Getting 4K video into your home might take some advances in optical disc technology or fiber optics, which Verizon is actively trying to make happen with its FiOS network. In the meantime, an up-scaled Blu-ray might look pretty good on a 4K TV set .

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Read the full article here.




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