Body Fat Percentage ??? ......////////..////..////////..........
- 12-17-2007, 09:39 PM
- 01-02-2008, 02:18 PM
they have a little thing that pinches your skin it looks like a caliper of some kind. i would imagine going to the doctors or a gym, somone should have the tool you need.
03-19-2009, 08:55 PM
The also an electric impedance device. I'm not too sure how accurate those are. I think the most accurate method is water displacement.
03-19-2009, 08:57 PM
03-19-2009, 09:29 PM
Skinfolds is the next best thing (a measurement error of only up to 3-4%, depending on the skill of the anthropometrist), so long as they're taken by a QUALIFIED anthropometrist (i.e. ISAK) and a MINIMUM of 6 are taken. If they actually make markers on you and measure out the skinfold positions, then they're on the right track; if they just take a skinfold with no preparation for it at all or only take one, then your result will be as inaccurate as BIA methods.
You CAN use bioelectrical impedance scales or handheld devices, but these are the most INaccurate ways of measuring body composition, as they have a huge measurement of error and can be out by up to 10% BF! The reading can be affected by too many factors, the most important being your hydration level (since it sends an elctric current either through you lower body (scales) or through one side of your body (handheld), usually the right side), time of day, when you last ate, when you last trained, etc.
03-19-2009, 09:42 PM
water displacement is most accurate but is also the most complex method. It is typically done in health facility. You go in totally submerged and the amount of water displaced is determined.
I like the bioimpedance method using either the sensor placed on the upper arm or sticky pads one on foot one on arm. Typically a good personal trainer will have this tool. Its an expensive piece. Stay clear of the cheap ones at the drug stores where you hold onto handels or the ones built into scales where your bare feet are used because these are not accurate.
These two techniques are measureing the densities of muscle bone water and fat. The more dense materials (bone/muscle) are sorted out the water is conductive (and hevyer) and then the fat is calculated (I think thats how it functions)
Skin calipers are most easy and useful, however the percent error can be high due to the human error. must use the same location and make multiple measurements to get an approximation.
You could try any or all of these because once you have a starting point you can track measurements to determine if its getting higher or lower.
remember that fat is a layer (and also woven in between the muscles and organs) which cannot be turned into muscle. think of it like a wet suit because it covers all parts of the body and when you loose it your loosing it all over. The belly is usually the last place it is lost. Spot reduction is a debatable subject.
03-19-2009, 10:33 PM
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