Doctor insights on:
Ronaldo Body Fat Percentage
%: For a woman aiming for 21 to 24% body fat is a good range. For a man aiming for a 14 to 17% body fat is a good range. Numbers are lower for most competitive athletes. Read more
Impedance: There are two ways. The practical way is to use a scale that uses impedance. You either stand on the metal plates on the scale or hold metal bar. An electrical signal is sent from one plate and the returning plate waits for the signal to reach it. The time taken for this is calculated and a complex formula is used to give you an estimate of %body fat. The more expensive way is much less practical. Read more
See below: Hydrostatic weighing, DEXA scans are incredibly accurate at measuring body composition. But whereas hydrostatic weighing involves getting dunked under the water, a DEXA scan simply involves lying on a table for a few quick, dry and painless minute. Calipers are not as accurate as above...use the BMI scale also Read more
See tools: There are several online tools for calculating bmi (http://www. Bmi-calculator. Net/body-fat-calculator/, http://www. Livestrong. Com/tools/body-fat-calculator/, http://www. Nhlbisupport. Com/bmi/) then, more accurately, a dietician or other trained profession can do a caliper measurement. There is a bioelectric impedence scale, and recently the usaf uses a "bod pod" to calculate body density and fat. Read more
% fat: For a woman aiming for 21 to 24% body fat is a good range. For a man aiming for a 14 to 17% body fat is a good range. Numbers are lower for most competitive athletes. Read more
How to determine your bmi
your bmi estimates how much you should weigh, based on your height. Here are the steps to calculate it:
multiply your weight in pounds by 703.
Divide that answer by your height in inches.
Divide that answer by your height in inches again.
For example, a woman who weighs 270 pounds and is 68 inches tall has a bmi of 41.0. Read more
Calculate fat: It is difficult to do this at home accurately. There are scales that supposedly calculate this for you, but they are not very accurate. You can buy skin calipers which would be more accurate, but a little tough to measure yourself. That's probably your best bet. Read more
Flat abs: Well, that's sort of difficult to answer because there are so many body types out there. You could have flat abs at 10%, 20%, and 30% body fat depending on how your fat is distributed. Some people carry their fat in their thighs/buttock, while others carry it in their midsection. So, body fat% doesn't really dictate if you have flat abs or not. Work on your abs and don't think about % body fat. Read more
Body fat percentage: This article has directions for 2 methods to obtain a rough estimate: http://www. Bodybuilding. Com/fun/becker11.htm Read more
You can get a rough idea of your body fat percentage using this online tool:
http://www. Fitwatch. Com/qkcalc/body-fat-percentage-calculator. Php. Read more