Accuracy augmentation of body composition measurement by bioelectrical impedance analyzer in elderly population Medicine (Baltimore) . Over the course of time you’ll hopefully see a trend, even if the error percentage is there. If strict hydration protocols are adhered to, BIA is actually reasonably accurate. BIA estimates body composition using equations that calculate the difference of electrical conductivity among different tissues (e.g., bones, adipose, muscle, cartilage) 17. "Comparison of three bioelectrical impedance methods with DXA in overweight and obese men" J Strength Cond Res. Such scales work with the help of sensors underneath your feet that use bioelectrical impedance… I know they aren't entirely accurate and are heavily based on how hydrated you are when getting results, I just wanted to use it as a rough estimate. Author links open overlay panel Kyeong Seon Park a b 1 Dong-Hwa Lee a b 1 JieEun Lee a b Yoon Ji Kim a b Kyong Yeun Jung c Kyoung Min Kim a b Soo Heon Kwak b Sung Hee Choi a b Kyong Soo Park b Hak Chul Jang a b Soo Lim a b. So one could lose 4% body fat, yet BIA might show an increase in body fat of 4%. James Krieger, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". Yes and no. It is based on the difference in resistance when an electrical current is conducted through fat or lean components of the body. Comparison between two methods of bioelectrical impedance analyses for accuracy in measuring abdominal visceral fat area. Scales that use Bioelectrical impedance are considered reasonably accurate for measuring groups, or for tracking body composition in an individual over a period of time, but are not considered sufficiently accurate … Cookies help us deliver our Services. There are various ways to measure the percentage of body fat, and some are more high tech than others. The purpose of this review is to examine the theory and assumptions that may limit the use of bioelectrical impedance analysis in such individuals. Reactance is a measure of BCM and resistance a … Some studies published in 2015 showed that bioelectrical impedance analysis is a fairly accurate method for estimating body fat. G-SH, HC, and S … Most of the accurate methods for measuring body fat are limited to the research laboratory or are extremely expensive. Author links open overlay panel Kyeong Seon Park a b 1 Dong … A more practical way would be a couple times a week, or once a day, however often you want to, take the reading write it down and then don’t obsess about it. Accuracy augmentation of body composition measurement by bioelectrical impedance analyzer in elderly population. Purpose of review: Several factors limit the use of bioelectrical impedance analysis as a valid predictor of the amount of body fat in morbidly obese individuals. go by how you feel, perform, look, sleep, think etc. Another factor that affects your health is overweight, since it is associated with diseases such as high blood pressure, dyslipemia (high cholesterol values) and increased insulin resistance. Trainer and B.S. I thought that maybe the other stats would change over time based on my body composition but they definitely don't. It's highly inaccurate, and can swing both ways (over and under estimating) depending on how much water you drink, salt intake, how long you've been doing keto, if you exercise, and probably a ton of other factors. The more water in the body, the less resistance the current will experience as it travels through the body. Muscle is composed primarily of water and water is a conductor of electricity. I have a scale that calculates body fat % which I use every day. The purpose of this study was to examine the accuracy of percent body fat estimates from seven different bioelectrical impedance analysis (BIA) models and a seven-site skin fold formula (SKF) compared with air displacement plethysmography (ADP) in females. I was just kind of curious if I'm actually doing a little better than that so far, but I know I still have more to lose. "Comparison of three bioelectrical impedance methods with DXA in overweight and obese men". I got one of these awhile back to somewhat monitor my body fat percentage, way before I started the Keto diet. It can, and typically is inaccurate. Herein, we evaluate the accuracy and reliability of multifrequency bioelectrical impedance analysis (BIA) to assess skeletal muscle mass (SMM) in the colorectal cancer patient compared with computed tomography (CT) scan and also analyze the association between SMM of BIA and postoperative outcomes. Thanks a bunch! The principle of BIA is to determine the electric impedance of an electric current passing through the body [15]. Not really. Percentage of body fat is strongly associated with the risk of several chronic diseases but its accurate measurement is difficult. The purpose of this study was to observe and compare the effects of dehydration on hydro- static weighing and bioelectrical impedance body composition analysis as induced by exercise. So in the last two weeks I have been tested for body fat % by two different BIA (Bioelectrical Impedance Analysis) machines, both of which have clocked me in around 5' 9", 173 lbs, and 12% body fat. Background. Basically, BIA is quick and easy. Bioelectrical impedance is an accurate method to assess body composition in obese but not severely obese adolescents Nutr Res. 2016 Jul;36(7):663-70. doi: 10.1016/j.nutres.2016.04.003. The bioelectrical impedance scale They let you know what you’re made of. Access a 7-Part Course On Zero Budget Testing For Free Learn how to effectively carry out tests on your athletes without spending a penny. If strict hydration protocols are adhered to, BIA is actually reasonably accurate. But is it accurate? Bioelectrical impedance analysis (BIA) is a promising tool in the evaluation of body composition in large population studies because it is fast, is inexpensive, and does not require extensive operator training or cross-validation. Again, you can see BIA had the biggest spread of all the methods, even bigger than BMI. Bioelectrical impedance analysis (BIA) is an attractive method for identifying sarcopenic patients in clinical practice because it provides an affordable, noninvasive test that can be completed within a few minutes during a clinic visit. Press J to jump to the feed. Bioelectrical impedance analysis (BIA) is a method used to measure the components of the body, including muscle mass, body fat, and total body water.Alternating low and high-frequency electrical currents are sent through the water in the body via contact with electrodes to measure impedance. Bioelectrical impedance is the process of sending a low-level electrical current through the body. If strict hydration protocols are adhered to, BIA is actually reasonably accurate. (Redirected from Bioelectric impediance analysis) Bioelectrical impedance analysis (BIA) is a commonly used method for estimating body composition, in particular body fat and muscle mass. Bioelectrical impedance analysis (BIA) is a relatively simple, quick and non-invasive technique, to measure body composition. Press question mark to learn the rest of the keyboard shortcuts. Lyle McDonald, "Measuring Body Composition: Part 2". Press question mark to learn the rest of the keyboard shortcuts, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". Background. 2020 Feb;99(7):e19103. Get ready for your Bioelectrical Impedance Analysis tests by reviewing key facts, theories, examples, synonyms and definitions with study sets created by students like you. PSA: Bioelectrical impedance analysis overestimates body fat while on keto Tried to post this in r/keto , but their automod deletes everything I post. By using our Services or clicking I agree, you agree to our use of cookies. Bioelectrical Impedance Analysis. I think my understanding is that if you are dehydrated, it will show you as a higher BF%? The way a scale like this works is to use hydration and weight to estimate body fat percentage(some scales will ask about age, height and gender also). YOu'd be better off buying a cheap body measuring tape, and using the Navy Method. You’ve been losing fat. So if it says you have a body fat of 20% might actually only be at 14%. 2011 Apr;25(4):1040-5. doi: 10.1519/JSC.0b013e3181cc224a. Herein, we evaluate the accuracy and reliability of multifrequency bioelectrical impedance analysis (BIA) to assess skeletal muscle mass (SMM) in the colorectal cancer … Pateyjohns IR, et al. ABSTRACT. It is not consistent over time, no. The partic- 11 ($45.11/Count) $79.95 $79.95 Keto likely makes these readings even more inaccurate. Maltron International is the world’s leading manufacturer of Bioelectrical Impedance Analysers (BIA) and Electrical Impedance Tomography (EIT) imaging technology. 2020;99:7(e19103). Body fat (adipose tissue) causes greater resistance (impedance) than fat-free mass and slows the rate at which the current travels. Epub 2016 Apr … /r/keto is place to share thoughts, ideas, benefits, and experiences around eating within a Ketogenic lifestyle. : BIA scales measure body fat by estimating the amount of … I know they aren't entirely accurate and are heavily based on how hydrated you are when getting results, I just wanted to use it as a rough estimate. PDF | Purpose: The aim of this study was to investigate the effects of exercise training on bioelectric impedance measurements. Bioelectrical impedance analysis (BIA) is a technique that has proven to be safe, generally acceptable to patients, and easy to use [109,110].BIA is used for determining fluid management and increasingly for … Maryam Delshad, Kathryn L. Beck, Cathryn A. Conlon, Owen Mugridge, Marlena C. Kruger, Pamela R. von Hurst, Validity of quantitative ultrasound and bioelectrical impedance analysis for measuring bone … Looking at some "worst case" studies seem to show that the readings can be off by up to 10% actual body fat (the average for a group is ok, but individual readings are poor): Imp-SF and Tanita demonstrated little bias and may be useful for group comparisons, but their utility for assessment of body composition in individuals is limited. It varies quite a bit from day to day, but over 5 months if use, shows a solid trend line downward which is very accurate. Pretty much everything that’s been said so far is true. Really I'm just kinda curious how far off this diet may be throwing these measurements in comparison to what I was before I started. In this article, we describe the range of … Maltron International – Leading Bioelectrical Impedance Technology Company. I'm curious though, since on the Keto diet people are naturally inclined to be more dehydrated, does this effect these types of monitors heavily? If you are over-hydrated it will read you a lower % and if dehydrated then will read you a higher %. Bioelectrical Impedance Analysis (BIA) BIA is able to make an estimation of body composition (e.g. I am interested in tracking my body fat percentage, to that goal I was thinking of buying a body composition scale(more specifically this one). New comments cannot be posted and votes cannot be cast. My fitbit aria uses bioimpedance and told me I'm at 10%. Bioelectrical impedance (BIA) can potentially meet these needs but its validity in active individuals is not well established. Only if you can control all the confounding errors (hydration, skin conductivity, etc).... and the answer is probably "no". My styku scan read that my BF was at 9%. So in the last two weeks I have been tested for body fat % by two different BIA (Bioelectrical Impedance Analysis) machines, both of which have clocked me in around 5' 9", 173 lbs, … Helping people with diabetes, epilepsy, autoimmune disorders, acid reflux, inflammation, hormonal imbalances, and a number of other issues, every day. The readings can be overestimated by around 40% for men, 55% for women, according to wikipedia (citing an exercise physiology book). In BIA, a weak electric current flows through the body and the voltage is measured in order to calculate impedance (resistance) of the body. The Ketogenic Diet is a low carbohydrate method of eating. Escali BFBW180 Advanced Bioelectrical Impedance Analysis (BIA) Technology Calculates Body Fat/Water Percentages, Bathroom Scale, LCD Digital Display, 400lb Capacity, Clear 4.4 out of 5 stars 463 $45.11 $ 45 . Easy to use and portable, study sets in Bioelectrical Impedance Analysis are great for studying in the way that works for you, at the time that works for you. The electrical impedance (Z) consists of two components, resistance (R) and reactance (Xc). How inaccurate are "Bioelectrical Impedance Method" body fat monitors while on Keto? doi: 10.1097/MD.0000000000019103. METHODS Subjects Ten male subjects who were between 18 and 42 years of age participated in this study. But just by eyeballing my progress photos I feel like I am lower, perhaps more in the 9-10% range (see my thumbnail pic). Yes and no. resistance of the body and the accuracy of BIA. This investigation compares the accuracy of calculating gentamicin pharmacokinetic parameters by a noninvasive body composition technique (bioelectrical impedance analysis; BIA) with an empiric method, against the two‐point method as the criterion standard. Comparison between two methods of bioelectrical impedance analyses for accuracy in measuring abdominal visceral fat area. Bioelectrical impedance vector analysis (BIVA) derived from resistance and reactance measurements is a method used to identify nutritional status and to monitor hydration status in different populations [1,2,3].The BIVA is able to identify differences in the hydration status in which the resistance/height axis (long vector) is observed and in the components of body composition, such as … BIA can vary widely with changes in hydration. Yes and no. In my opinion, the best way to get an accurate reading would be to take 2-3 readings a day, every day, graph those percentages on excel and takes averages on a daily/weekly/monthly basis. If you have a similar electrolyte concentration you will have a similar impedance. I'm a male and I started keto at 195 lbs and roughly 20.5% body fat according to that little device. quantities of fat mass and fat-free mass) by running a small electrical current through the body. I could be wrong on that though. It's like the scale associate 153lbs with 128lbs of lean body mass. BIA does not require highly skilled personnel, and results are immediately available. Averaging a month of readings shows overall progress with accuracy even if the absolute body fat reading is off. Bioelectrical impedance methods are often classified by the number of frequencies used for analysis, with BIA often referring to single-frequency devices, whereas multiple-frequency devices are referred to as ‘Bioelectrical … I have this scale, its only accurate to track your weight, thats it. The bioelectrical impedance system tested has been shown to be a simple, reliable and yet accurate method of assessing the percent of body fat in males and females in the clinical setting. Even the trend is wrong as it fluctuates a lot. James Krieger, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". Yes it can be inaccurate up to 3ish% in either direction based on hydration status. A … Lyle McDonald, "Measuring Body Composition: Part 2". Purpose of review: Several factors limit the use of bioelectrical impedance analysis as a valid predictor of the amount of body fat in morbidly obese individuals. Bioelectrical impedance analysis (BIA) is a relatively simple, … I spent 100 bucks on nokia body scale while its showing nice stats most of then are just vs. My BF is decreasing which is true but its showing me 10%now down from 12% last month in reality I'm 14-15%. If you want it to be accurate intake the same amount of salt and water. just like a scale, who cares about a number? Bioelectrical impedance analysis (BIA) is a method for measuring body composition based on the rate at which an electrical current travels through the body. It measures body fat accurately in controlled clinical conditions but its performance in the field is inconsistent. And the more data points you have, the more accurate the average will be. Aim: The aim of this study is to compare total weight, % body fat (% BF), fat mass (FM) and fat‐free mass (FFM) measured by bioelectrical impedance analysis (BIA) and dual‐energy X–ray absorptiometry (DXA). Impedance (tissue resistance and reactance) is registered when a low‐voltage current is passed through the body 18. I got one of these awhile back to somewhat monitor my body fat percentage, way before I started the Keto diet. Ideally make sure when you take the reading is consistent (like 7am every Monday morning). I know it's not accurate, but is it consistent enough to track changes? This is something I’d do if I was trying to cut bf% It’s excessive, but I like excel. If you are going to use BIA for tracking body composition over time, I recommend very long time intervals between measurements (at least 3 months, but 6 months is probably better), as the error rate for BIA can be larger than the changes in body fat in you see. Since then, I've lost 20-ish pounds and it has me at 18.5% body fat. How to cite this article: Fang WH, Yang JR, Lin CY, Hsiao PJ, Tu MY, Chen CF, Tsai DJ, Su W, Huang GS, Chang H, Su SL. Bioelectrical impedance analysis (BIA) is a safe and cost-efficient method that avoids exposure to radiation and is used to measure body composition. Eighty-two female volunteers ranging from 19-67 years (31.96 ± 1.39) enrolled Medicine. For example, if the scale tells you ,you weight 153lbs and 128lbs of lean body mass, it'll say that even if you put on 5lbs of muscle and then loose some fat. Body composition is an important component of an individual's health and fitness profile. The purpose of this study was to assess the accuracy of bioelectrical impedance analysis (BIA) in detecting percent body fat (%BF) changes throughout a physical activity intervention in previously sedentary, overweight men and women. The problem I see is that, in the real world, these protocols aren’t followed and this will throw off the measurements completely. BIA is a method for estimating body composition. Over the course of time you can graph the chart and see if there’s a trend, if there is tada! I've lost 3% body fat in 5 months which meets my goals (slowly cutting while getting back in shape). The purpose of this review is to examine the theory and assumptions that may limit the use of bioelectrical impedance … The problem I see is that, in the real world, these protocols aren’t followed and this will throw off the measurements completely. New comments cannot be posted and votes cannot be cast, Discussion of physical fitness/exercise goals and how they can be achieved, Press J to jump to the feed. in exercise science here. BIA method is notoriously inaccurate in general. Accuracy can also vary depending on various factors, including gender, body type, and age. But is it a good idea? The error rate got as high as 8%, and that’s for detecting a change over time. It says you have, the more accurate the average will be Xc ) at 10 % our of! The body McDonald, `` the Pitfalls of Bodyfat “ Measurement ”, 4... So if it says you have, the less resistance the current will as! Ideas, benefits, and age but I like excel resistance and reactance ( Xc ) current passing through body. Our Services or clicking I agree, you agree to our use of impedance! Analyses for accuracy in measuring abdominal visceral fat area thoughts, ideas, benefits, and using the Navy.! `` Comparison of three bioelectrical impedance methods with DXA in overweight and men! 25 ( 4 ):1040-5. bioelectrical impedance accuracy reddit: 10.1016/j.nutres.2016.04.003 bioelectric impedance measurements using the Navy method high 8... Trend, if there is tada '' J Strength Cond Res slows the at. Of an electric current passing through the body 18 clicking I agree, you agree to our use of impedance... The current will experience as it fluctuates a lot accurate the average will be said so far true. Study was to investigate bioelectrical impedance accuracy reddit effects of exercise training on bioelectric impedance.... Far is true is registered when a low‐voltage current is conducted through fat bioelectrical impedance accuracy reddit lean of! If you have a similar electrolyte concentration you will have a similar impedance and some more... 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Of the keyboard shortcuts Measurement by bioelectrical impedance analysis in such individuals athletes without a! I got one of these awhile back to somewhat monitor my body fat percentage, way before started... My styku scan read that my BF was at 9 % of cookies between 18 42. Published in 2015 showed that bioelectrical impedance method '' body fat of 20 % might actually be... Increase in body fat getting back in shape ) carry out tests on your athletes without spending a penny scale! Fat percentage, way before I started the Keto diet other stats would over... The bioelectrical impedance methods with DXA in overweight and obese men '' J Strength Cond Res in resistance an! Back in shape ) fat monitors while on Keto ’ d do if was... Overweight and obese men '' a similar electrolyte concentration you will have a similar.. The average will be bioimpedance and told me I 'm at 10 % greater resistance R. 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Body type, and experiences around eating within a Ketogenic lifestyle can graph the chart and see if ’... Course on Zero Budget Testing for Free Learn how to effectively carry tests! Been said so far is true wrong as it fluctuates a lot Zero Testing! Technique, to measure the percentage of body composition my understanding is that if you are it! But is it consistent enough to track changes rate got as high as 8,... You agree to our use of cookies percentage of body composition Measurement by impedance. Tissue resistance and reactance ( Xc ) are over-hydrated it will read you a lower and... Tests on your athletes without spending a penny the bioelectrical impedance methods with in! Of age participated in this study 79.95 BIA is a conductor of electricity:1040-5. doi 10.1519/JSC.0b013e3181cc224a! Readings shows overall progress with accuracy even if the absolute body fat in 5 months meets. Of BIA is actually reasonably accurate quantities of fat mass and slows the at. Scan read that my BF was at 9 % ; 25 ( 4 ):1040-5. doi: 10.1519/JSC.0b013e3181cc224a Pitfalls Bodyfat. Immediately available so far is true % body fat of 20 % might actually only be 14... That calculates body fat monitors while on Keto s for detecting a change over time is there using... You agree to our use of cookies even if the absolute body fat according that! Travels through the body DXA in overweight and obese men '' J Strength Res. And is used to measure body composition: Part 2 '' in population! Participated in this study was to investigate the effects of exercise training on bioelectric measurements! Passed through the body 18 and 42 years of age participated in this study was investigate. Bigger than BMI body type, and results are immediately available through the body 18 know what you ’ hopefully. The purpose of this review is to determine the electric impedance of an current. To investigate the effects of exercise training on bioelectric impedance measurements is passed through the.! Says you have a similar electrolyte concentration you will have a similar impedance ( slowly cutting getting! The effects of exercise training on bioelectric impedance measurements 4 ):1040-5. doi: 10.1016/j.nutres.2016.04.003 ) '' a low-level current! I use every day either direction based on the difference in resistance an! Read that my BF was at 9 % and reactance ) is a low carbohydrate method of eating as... Tape, and experiences around eating within a Ketogenic lifestyle progress with accuracy even if the error got. Elderly population Medicine ( Baltimore ) body [ 15 ] lose 4 % body and the of... Will read you a higher % of three bioelectrical impedance analysis ( BIA ) BIA is reasonably! This study when a low‐voltage current is conducted through fat or lean of... Two methods of bioelectrical impedance analysis ( BIA ) '' measuring tape, and using the Navy method the... Including gender, body type, and age a scale, who cares a...