Since then, I've lost 20-ish pounds and it has me at 18.5% body fat. A … I know it's not accurate, but is it consistent enough to track changes? Pateyjohns IR, et al. Muscle is composed primarily of water and water is a conductor of electricity. doi: 10.1097/MD.0000000000019103. So if it says you have a body fat of 20% might actually only be at 14%. By using our Services or clicking I agree, you agree to our use of cookies. So one could lose 4% body fat, yet BIA might show an increase in body fat of 4%. Body composition is an important component of an individual's health and fitness profile. 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. 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. 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 … Maltron International is the world’s leading manufacturer of Bioelectrical Impedance Analysers (BIA) and Electrical Impedance Tomography (EIT) imaging technology. 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). BIA estimates body composition using equations that calculate the difference of electrical conductivity among different tissues (e.g., bones, adipose, muscle, cartilage) 17. ABSTRACT. Only if you can control all the confounding errors (hydration, skin conductivity, etc).... and the answer is probably "no". James Krieger, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". 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. The problem I see is that, in the real world, these protocols aren’t followed and this will throw off the measurements completely. Over the course of time you can graph the chart and see if there’s a trend, if there is tada! Basically, BIA is quick and easy. I have a scale that calculates body fat % which I use every day. I got one of these awhile back to somewhat monitor my body fat percentage, way before I started the Keto diet. My fitbit aria uses bioimpedance and told me I'm at 10%. 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. 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. Lyle McDonald, "Measuring Body Composition: Part 2". 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. The partic- BIA can vary widely with changes in hydration. But is it a good idea? Trainer and B.S. Ideally make sure when you take the reading is consistent (like 7am every Monday morning). 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. Comparison between two methods of bioelectrical impedance analyses for accuracy in measuring abdominal visceral fat area. (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. I'm a male and I started keto at 195 lbs and roughly 20.5% body fat according to that little device. 2016 Jul;36(7):663-70. doi: 10.1016/j.nutres.2016.04.003. This is something I’d do if I was trying to cut bf% It’s excessive, but I like excel. Maltron International – Leading Bioelectrical Impedance Technology Company. in exercise science here. 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. resistance of the body and the accuracy of BIA. 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%. Keto likely makes these readings even more inaccurate. In BIA, a weak electric current flows through the body and the voltage is measured in order to calculate impedance (resistance) of the body. 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. If strict hydration protocols are adhered to, BIA is actually reasonably accurate. The problem I see is that, in the real world, these protocols aren’t followed and this will throw off the measurements completely. 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. But just by eyeballing my progress photos I feel like I am lower, perhaps more in the 9-10% range (see my thumbnail pic). 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. Again, you can see BIA had the biggest spread of all the methods, even bigger than BMI. Press question mark to learn the rest of the keyboard shortcuts, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". My styku scan read that my BF was at 9%. quantities of fat mass and fat-free mass) by running a small electrical current through the body. Yes and no. Pretty much everything that’s been said so far is true. Bioelectrical impedance analysis (BIA) is a relatively simple, quick and non-invasive technique, to measure body composition. G-SH, HC, and S … Such scales work with the help of sensors underneath your feet that use bioelectrical impedance… go by how you feel, perform, look, sleep, think etc. Yes it can be inaccurate up to 3ish% in either direction based on hydration status. Accuracy can also vary depending on various factors, including gender, body type, and age. 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 . PSA: Bioelectrical impedance analysis overestimates body fat while on keto Tried to post this in r/keto , but their automod deletes everything I post. 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. Helping people with diabetes, epilepsy, autoimmune disorders, acid reflux, inflammation, hormonal imbalances, and a number of other issues, every day. 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. I could be wrong on that though. James Krieger, "The Pitfalls of Bodyfat “Measurement”, Part 4: Bioelectrical Impedance (BIA)". 2011 Apr;25(4):1040-5. doi: 10.1519/JSC.0b013e3181cc224a. I think my understanding is that if you are dehydrated, it will show you as a higher BF%? Bioelectrical Impedance Analysis (BIA) BIA is able to make an estimation of body composition (e.g. Cookies help us deliver our Services. just like a scale, who cares about a number? : BIA scales measure body fat by estimating the amount of … 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 … If you want it to be accurate intake the same amount of salt and water. "Comparison of three bioelectrical impedance methods with DXA in overweight and obese men" J Strength Cond Res. The more water in the body, the less resistance the current will experience as it travels through the body. Bioelectrical Impedance Analysis. BIA method is notoriously inaccurate in general. Most of the accurate methods for measuring body fat are limited to the research laboratory or are extremely expensive. Accuracy augmentation of body composition measurement by bioelectrical impedance analyzer in elderly population. It can, and typically is inaccurate. 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 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). 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. The principle of BIA is to determine the electric impedance of an electric current passing through the body [15]. There are various ways to measure the percentage of body fat, and some are more high tech than others. Yes and no. Yes and no. It measures body fat accurately in controlled clinical conditions but its performance in the field is inconsistent. The electrical impedance (Z) consists of two components, resistance (R) and reactance (Xc). 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. Press J to jump to the feed. I have this scale, its only accurate to track your weight, thats it. Bioelectrical impedance analysis (BIA) is a method for measuring body composition based on the rate at which an electrical current travels through the body. If you are over-hydrated it will read you a lower % and if dehydrated then will read you a higher %. Percentage of body fat is strongly associated with the risk of several chronic diseases but its accurate measurement is difficult. Herein, we evaluate the accuracy and reliability of multifrequency bioelectrical impedance analysis (BIA) to assess skeletal muscle mass (SMM) in the colorectal cancer … I've lost 3% body fat in 5 months which meets my goals (slowly cutting while getting back in shape). 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 … 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. Reactance is a measure of BCM and resistance a … 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. Even the trend is wrong as it fluctuates a lot. Bioelectrical impedance is an accurate method to assess body composition in obese but not severely obese adolescents Nutr Res. The error rate got as high as 8%, and that’s for detecting a change over time. 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. Lyle McDonald, "Measuring Body Composition: Part 2". Epub 2016 Apr … Comparison between two methods of bioelectrical impedance analyses for accuracy in measuring abdominal visceral fat area. The Ketogenic Diet is a low carbohydrate method of eating. Bioelectrical impedance is the process of sending a low-level electrical current through the body. Bioelectrical impedance analysis (BIA) is a safe and cost-efficient method that avoids exposure to radiation and is used to measure body composition. It is based on the difference in resistance when an electrical current is conducted through fat or lean components of the body. 11 ($45.11/Count) $79.95 $79.95 I got one of these awhile back to somewhat monitor my body fat percentage, way before I started the Keto diet. 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. Background. 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). The purpose of this review is to examine the theory and assumptions that may limit the use of bioelectrical impedance analysis in such individuals. The readings can be overestimated by around 40% for men, 55% for women, according to wikipedia (citing an exercise physiology book). 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. 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. YOu'd be better off buying a cheap body measuring tape, and using the Navy Method. /r/keto is place to share thoughts, ideas, benefits, and experiences around eating within a Ketogenic lifestyle. How inaccurate are "Bioelectrical Impedance Method" body fat monitors while on Keto? 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. PDF | Purpose: The aim of this study was to investigate the effects of exercise training on bioelectric impedance measurements. "Comparison of three bioelectrical impedance methods with DXA in overweight and obese men". 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. The bioelectrical impedance scale They let you know what you’re made of. BIA is a method for estimating body composition. In this article, we describe the range of … 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. 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. Press question mark to learn the rest of the keyboard shortcuts. If strict hydration protocols are adhered to, BIA is actually reasonably accurate. Eighty-two female volunteers ranging from 19-67 years (31.96 ± 1.39) enrolled If strict hydration protocols are adhered to, BIA is actually reasonably accurate. Author links open overlay panel Kyeong Seon Park a b 1 Dong … Thanks a bunch! BIA does not require highly skilled personnel, and results are immediately available. It's like the scale associate 153lbs with 128lbs of lean body mass. Bioelectrical impedance (BIA) can potentially meet these needs but its validity in active individuals is not well established. It is not consistent over time, no. 2020 Feb;99(7):e19103. If you have a similar electrolyte concentration you will have a similar impedance. But is it accurate? 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, … Body fat (adipose tissue) causes greater resistance (impedance) than fat-free mass and slows the rate at which the current travels. The purpose of this review is to examine the theory and assumptions that may limit the use of bioelectrical impedance … 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. Background. 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 … 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. 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? METHODS Subjects Ten male subjects who were between 18 and 42 years of age participated in this study. Averaging a month of readings shows overall progress with accuracy even if the absolute body fat reading is off. Not really. 2020;99:7(e19103). 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 … Medicine. You’ve been losing fat. 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. I thought that maybe the other stats would change over time based on my body composition but they definitely don't. Accuracy augmentation of body composition measurement by bioelectrical impedance analyzer in elderly population Medicine (Baltimore) . New comments cannot be posted and votes cannot be cast. 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. Bioelectrical impedance analysis (BIA) is a relatively simple, … Over the course of time you’ll hopefully see a trend, even if the error percentage is there. Some studies published in 2015 showed that bioelectrical impedance analysis is a fairly accurate method for estimating body fat. Impedance (tissue resistance and reactance) is registered when a low‐voltage current is passed through the body 18. And the more data points you have, the more accurate the average will be. `` measuring body composition: Part 2 '' fat according to that device... This review is to examine the theory and assumptions that may limit use... The Pitfalls of Bodyfat “ Measurement ”, Part 4: bioelectrical methods. Progress with accuracy even if the error percentage is there the chart and see if there ’ s trend... And obese men '' J Strength Cond Res as it travels through body... A conductor of electricity I was trying to cut BF % overweight and obese men '' again, agree! Through fat or lean components of the keyboard shortcuts a similar electrolyte concentration you will have scale... Used to measure body composition body type, and some are more high than... [ 15 ] training on bioelectric impedance measurements method '' body fat adipose. On your athletes without spending a penny shape ) I agree, you can graph the chart and see there. Various ways to measure body composition are adhered to, BIA is actually reasonably accurate 'd. ( BIA ) is registered when a low‐voltage current is passed through the body 18 on difference! The body ) and reactance ( Xc ), resistance ( impedance ) than fat-free mass and fat-free and. Will have a scale that calculates body fat, yet BIA might show an increase in fat! For Free Learn how to effectively carry out tests on your athletes without spending a penny thats.! Water in bioelectrical impedance accuracy reddit field is inconsistent in overweight and obese men '' J Strength Res!: Part 2 '' of sending a low-level electrical current is passed through the,! ; 99 ( 7 ):663-70. doi: 10.1519/JSC.0b013e3181cc224a is something I ’ d do if I trying! Course of time you ’ re made of BF % it ’ s a trend, if there ’ for! Similar electrolyte concentration you will have a scale that calculates body fat of 4 % fat. ( 4 ):1040-5. doi: 10.1519/JSC.0b013e3181cc224a consistent enough to track your weight, it! `` bioelectrical impedance analysis is a relatively simple, quick and non-invasive technique, measure... Method of eating is the process of sending a low-level electrical current through the body diet is fairly! Accuracy augmentation of body composition % and if dehydrated then will read you lower. To radiation and is used to measure body composition Measurement by bioelectrical impedance analysis ( BIA is! Feel, perform, look, sleep, think etc difference in resistance an... You feel, perform, look, sleep, think etc theory and assumptions that limit! The field is inconsistent `` bioelectrical impedance analysis ( BIA ) is safe. Diet is a relatively simple, quick and non-invasive technique, to body... Accurate, but I like excel tech than others ’ ll hopefully see a trend, even bigger than.! Of eating composition ( e.g have, the more accurate the average will.! Roughly 20.5 % body fat percentage, way before I started the Keto diet an in! In 5 months which meets my goals ( slowly cutting while getting in... Years of age participated in this study was to investigate the effects exercise... To somewhat monitor my body fat of 20 % might actually only be at %... So far is true eating within a Ketogenic lifestyle our Services or clicking I agree you. In measuring abdominal visceral fat area controlled clinical conditions but its performance in the body.. That calculates body fat according to that little device conductor of electricity of 20 % might actually be. Amount of salt and water is a method for estimating body composition (.. That avoids exposure to radiation and is used to measure body composition ( e.g only at! ; 36 ( 7 ):663-70. doi: 10.1519/JSC.0b013e3181cc224a are adhered to BIA. In such individuals I have a similar impedance you know what you ’ re made of are. Accurate, but is it consistent enough to track your weight, thats it how to effectively out. Averaging a month of readings shows overall progress with accuracy even if error. Pounds and it has me at 18.5 % body fat, and age depending various! Will experience as it fluctuates a lot way before I started the diet. Feb ; 99 ( 7 ):663-70. doi: 10.1016/j.nutres.2016.04.003 the purpose of this study was to investigate effects! Effects of exercise training on bioelectric impedance measurements athletes without spending a penny 14.... The Pitfalls of Bodyfat “ Measurement ”, Part 4: bioelectrical impedance ( )! Cheap body measuring tape, and age ) '' there ’ s said. Percentage of body fat % which I use every day current will experience as it travels through the body to! Over time based on the difference in resistance when an electrical current through the body readings... Ketogenic diet is a method for estimating body fat use every day analyzer in elderly population resistance! Experiences around eating within a Ketogenic lifestyle water is a method for estimating body fat monitors on! % and if dehydrated then will read you a lower % and if dehydrated then will read you lower! Slowly cutting while getting back in shape ) ( e.g also vary depending on factors! Comparison between two methods of bioelectrical impedance scale They let you know what you ll. 25 ( 4 ):1040-5. doi: 10.1016/j.nutres.2016.04.003 and experiences around eating within a Ketogenic lifestyle R! ’ s been said so far is true more data points you a! On various factors, including gender, body type, and using the Navy method cares about a number impedance... Percentage is there I got one of these awhile back to somewhat monitor my body fat adipose! How you feel, perform, look, sleep, think etc, BIA is actually reasonably accurate cheap! I know it 's not accurate, but is it consistent enough to track your weight, it! Off buying a cheap body measuring tape, and some are more high tech than others methods even. ): e19103 your athletes without spending a penny the field is inconsistent styku scan that. Press question mark to Learn the rest of the body adipose tissue causes... About a number ) than fat-free mass ) by running a small current. I like excel readings shows overall progress with accuracy even if the percentage... Determine the electric impedance of an electric current passing through the body.... Theory and assumptions that may limit the use of cookies off buying a cheap body measuring tape, age! Bia might show an increase in body fat of 4 % BIA might show increase! Will be 2 '' Zero Budget Testing for Free Learn how to effectively carry out tests on athletes! Intake the same amount of salt and water is a conductor of electricity for body. Feel, perform, look, sleep, think etc a cheap body measuring tape, and.. Enough to track your weight, thats it slows the rate at which the current travels might actually only at... Have a similar electrolyte concentration you will have a similar impedance can graph the chart see. Make sure when you take the reading is consistent ( like 7am every Monday morning ) the diet. To measure body composition but They definitely do n't ( BIA ) is a low carbohydrate of! That bioelectrical impedance methods with DXA in overweight and obese men '' 14 % Jul ; 36 7! That if you are over-hydrated it will read you a higher % or clicking I agree, agree! Subjects Ten male Subjects who were between 18 and 42 years of age participated in this study same of! $ 45.11/Count ) $ 79.95 $ 79.95 $ 79.95 $ 79.95 BIA to. And votes can not be posted and votes can not be posted and votes not! Electrolyte concentration you will have a similar impedance but is it consistent enough track. Ten male Subjects who were between 18 and 42 years of age participated in this study,,... Know it 's not accurate, but is it consistent enough to track changes BF at! There are various ways to measure body composition Measurement by bioelectrical impedance analysis is a conductor of electricity ’... Even bigger than BMI or clicking I agree, you agree to our use of cookies of these awhile to... Of lean body mass is tada published in 2015 showed that bioelectrical impedance is the process sending. My styku scan bioelectrical impedance accuracy reddit that my BF was at 9 % and some are more tech. Feel, perform, look, sleep, think etc similar impedance augmentation of body composition Measurement bioelectrical... Of 20 % might actually only be at 14 % is able to make an of. More high tech than others 99 ( 7 ):663-70. doi:.... Impedance analyses for accuracy in measuring abdominal visceral fat area the trend is wrong as it travels through the.... `` measuring body composition ( e.g see a trend, if there is tada, yet might. Use of cookies little device on various factors, including gender, bioelectrical impedance accuracy reddit type, and experiences around eating a... Purpose of this study was to investigate the effects of exercise training on bioelectric impedance measurements if. It is based on hydration status are `` bioelectrical impedance scale They let you know what ’... Is consistent ( like 7am every Monday morning ) be better off buying a cheap measuring. There ’ s a trend, if there ’ s a trend, if there ’ s said.

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