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InBody 770 Body Composition Analysis

Weight loss is a common preoccupation; surveys of adult populations worldwide have shown that up to 74% are trying to lose weight and up to 42% are focused on maintaining weight.[1] The most commonly reported reasons for weight loss attempts are to improve wellbeing and fitness, to stay fit, and to improve self-esteem.[1] The most frequently reported motive for trying to maintain weight was to improve health and prevent future diseases, followed by to improve wellbeing, to improve fitness condition or staying fit, to improve appearance, and to improve self-esteem.[1]


What most people fail to realize is that it is not body weight or weight loss per see that that gives these benefits.[2] Improvements in health, fitness and appearance requires loss of excess fat, and for most people also an increased muscle mass.[3-12] Your body weight does not tell anything about your body composition, i.e. how much body fat and muscle mass you have.[5, 13, 14]  Therefore, to track your progress when starting a training program and to eat healthier, you should regularly check your body composition.


Your body weight and weight change alone does not give any valuable information about your health status, fitness level or appearance.


Reasons to check your body composition


The bathroom scale has become a cultural icon for health/fitness and obesity. This is unfortunate because the number on the scale in isolation is pointless. It also naturally fluctuates both up and down, which can cause unnecessary frustration and disappointment, or a false signal of success if the weight you have lost is mostly muscle mass. Here are important reasons for you to regularly check your body composition (and stop worrying about your body weight): [15]


1. It provides an individualized starting point on which to base goals for improvement in health and fitness.


2. It tells you if you are “over-fat” and would benefit from fat loss.[16]


3. It tells you if you have “muscle deficiency” and would benefit from resistance exercise training that increases muscle mass.[5]


4. It gives you a more accurate estimation of your resting metabolic rate.[17, 18] Resting metabolic rate is included in the InBody 770 results sheet.


5. It provides an individualized progress meter that tells whether your food diet and/or exercise program is working. A study of new gym members confirmed that improvements in body composition  go undetected in may people if relying solely on body weight changes.[19]


6. It lets you track your fat loss and muscle mass gain together with improvements in fitness and biochemical health parameters, such as your cholesterol profile, blood fats, blood sugar, blood pressure, hormones, etc. This will give you the total picture of your health and fitness status, and show how changes in your body composition over time affects metabolic and cardiovascular risk factors. Over time as you get older, this will provide valuable information.


7. It makes it possible for health care professionals (sports nutritionist, dietician, personal trainer, coach, athletic trainer, physician etc.) to develop an individualized nutrition, exercise and weight (i.e. body fat/muscle) control program for you.


8. It keeps your motivation alive when your body weight doesn’t budge, by showing that in fact you have lost fat and gained muscle mass (which may cancel out on your body weight reading and show zero body weight change).


InBody 770 Body Composition Analyzer


There are many body composition devices, ranging from cheap and grossly inaccurate consumer gadgets to expensive sophisticated laboratory body composition assessments. At Ageless Forever we are pleased to offer body composition analysis with InBody 770, which is a research grade body composition analyzer.


InBody 770 is a relatively new standing direct segmental multi-frequency bioelectrical impedance (BIA) system with eight-polar electrodes.[20] Unlike conventional BIA equipment, which often takes only partial measurements and therefore relies upon formulas to estimate whole body composition, this technique is based on envisioning the human body as composed of five interconnecting cylinders and takes direct impedance measurements from the various body segments. Of all the BIA devices developed over the years, this eight-polar segmental multi-frequency BIA system is superior in the assessment of body composition.[16]


While BIA as a general technique for body composition assessment has been criticized for its inaccuracy of analyzing muscle mass.[21] However, this inaccuracy was for another BIA system using only 50 kHz single-frequency.[22]


All BIA devices use at least one electric current set at a specific frequency to measure body composition.  In the past, this frequency was traditionally set at 50 kHz.  Some devices today continue to use this single frequency.


However, beginning the early 1990s, research began to accumulate suggesting that single frequency devices set at 50 kHz did not accurately predict changes in total body water, and that the use of multiple frequencies – multiple currents set at a different frequencies – was a superior method in terms of accuracy. InBody 770 uses multiple frequencies of up to 1000 kHz, and has been shown to have excellent agreement with DEXA (dual energy X-ray absorptiometry) – the laboratory reference standard, for the estimation of lean body mass in both men and women in a large general middle-aged population.[23] The accuracy of multi-frequency BIA applies even in overhydrated people (such as dialysis patients), in whom it was found high correlation with DEXA measured lean body mass.[24] In addition, a recent study found that values for body fat and lean body mass in body segments and the total body as analyzed by standing segmental multi-frequency BIA are highly correlated with the DEXA values, even in male wrestlers.[25]


InBody versus DEXA


DEXA is the laboratory reference standard against which other body composition techniques are evaluated.[26] Because DEXA is primarily available at hospitals and imaging centers, where it is used to measure bone mineral density and diagnose osteopenia and osteoporosis, other body composition analyzers have been developed that are more easily available and more affordable to the general public.


As outlined above, the new standing segmental multi-frequency bioelectrical impedance (BIA) system with eight-polar electrodes has been validated against DEXA and shown good agreement with DEXA-derives values for body fat and lean mass.


A potential drawback with DEXA is that it is a source of a small level of radiation. Even though the radiation dose from a DEXA scan is very small, it has been suggested that people should not do more than 4 DEXA scans per year. BIA, which sends completely harmless electric currents through the body, is totally free of radiation.

 

InBody 770 versus Tanita MC-980

 

A similar BIA device to InBody 770 is Tanita MC-980, which is also a segmental multi-frequency with 8 electrodes. Which is most accurate?

A newly published study compared InBody 770 and Tanita MC-980 head-to-head, and how well their body composition values agreed with values derived from the DEXA reference method. It was found that InBody 700 is more accurate than Tanita MC-980.[27]


InBody 770 – Research grade body composition analysis


The InBody 770 goes beyond traditional body composition analysis and takes a deeper look into body water. InBody 770 off­ers two types of results sheets: body composition and body water.


InBody 770 is the new ultimate system in health and fitness monitoring.

 

 

Below are sample results sheets. Click the images to see an enlarged version. A staff member at Ageless Forever will go over and explain your test results for you.

For an overview of the result sheet section, see Results Sheet Interpretation.

 
 
 

Frequently Asked Questions

 

How long does it take to perform a test?


The InBody Test lasts between 15 seconds and 120 seconds, depending on the model being used.


How do I prepare for the test:


               • Use the bathroom


               • Maintain the same testing conditions as your first test (for ex. do the test around the same time of day)


               • Avoid eating or wait two hours after a meal


Avoid testing if before the test, you:


               • Exercised strenuously


               • Used a sauna, steam room, or bath


               • Consumed diuretics such as caffeine, alcohol, and medication


               • Have a fever, cold, or chill


Will I feel the electrical currents during the test?


For the average population, the electrical currents sent through the body during an InBody tests are too low to feel.  However, there is a small possibility that individuals with tactile sensitivity may feel a slight sensation.


What factors can affect the accuracy of my test results?


Changes in body composition reflect body status, which may be affected by factors such as disease, nutrition, hydration, and medication. Accessories such as jewelry may interfere with the electrical conductivity. Improper posture will also affect test results.


It is recommended to maintain the same testing conditions from test to test to produce high data reproducibility and comparability.


How to get started


Call us at Ageless Forever 702-838-1994 (or submit your contact info using the form in the side bar) to make the first step towards your health and fitness goals by scheduling your InBody body composition analysis.


One InBody 770 body composition analysis is included in our Ageless Forever weightloss programs.


Our weight loss program includes several body composition analyses with InBody 770.


If you are not a patient at Ageless Forever and just want to come in and do the InBody 770 body composition, the price is $25 per test.

 

 

References:

1.            Santos, I., et al., Prevalence of personal weight control attempts in adults: a systematic review and meta-analysis. Obes Rev, 2017. 18(1): p. 32-50.

2.            Ross, R., et al., Changing the endpoints for determining effective obesity management. Prog Cardiovasc Dis, 2015. 57(4): p. 330-6.

3.            De Lorenzo, A., et al., Adiposity rather than BMI determines metabolic risk. Int J Cardiol, 2013. 166(1): p. 111-7.

4.            Jean, N., et al., Normal-weight obesity: implications for cardiovascular health. Curr Atheroscler Rep, 2014. 16(12): p. 464.

5.            Bosy-Westphal, A. and M.J. Muller, Identification of skeletal muscle mass depletion across age and BMI groups in health and disease--there is need for a unified definition. Int J Obes (Lond), 2015. 39(3): p. 379-86.

6.            Bastien, M., et al., Overview of epidemiology and contribution of obesity to cardiovascular disease. Prog Cardiovasc Dis, 2014. 56(4): p. 369-81.

7.            Gujral, U.P., et al., Cardiometabolic Abnormalities Among Normal-Weight Persons From Five Racial/Ethnic Groups in the United States: A Cross-sectional Analysis of Two Cohort Studies. Ann Intern Med, 2017.

8.            Wang, B., et al., Prevalence of Metabolically Healthy Obese and Metabolically Obese but Normal Weight in Adults Worldwide: A Meta-Analysis. Horm Metab Res, 2015. 47(11): p. 839-45.

9.            Boorsma, W., et al., Body composition, insulin sensitivity, and cardiovascular disease profile in healthy Europeans. Obesity (Silver Spring), 2008. 16(12): p. 2696-701.

10.          Ito, H., et al., Excess accumulation of body fat is related to dyslipidemia in normal-weight subjects. Int J Obes Relat Metab Disord, 2004. 28(2): p. 242-7.

11.          Berg, C., et al., Normal weight adiposity in a Swedish population: how well is cardiovascular risk associated with excess body fat captured by BMI? Obes Sci Pract, 2015. 1(1): p. 50-58.

12.          Liu, P., et al., The utility of fat mass index vs. body mass index and percentage of body fat in the screening of metabolic syndrome. BMC Public Health, 2013. 13: p. 629.

13.          Dulloo, A.G., et al., Body composition phenotypes in pathways to obesity and the metabolic syndrome. Int J Obes (Lond), 2010. 34 Suppl 2: p. S4-17.

14.          Meeuwsen, S., G.W. Horgan, and M. Elia, The relationship between BMI and percent body fat, measured by bioelectrical impedance, in a large adult sample is curvilinear and influenced by age and sex. Clin Nutr, 2010. 29(5): p. 560-6.

15.          Bouchard, C., Body Composition Assessment, in Exercise Physiology: Nutrition, Energy, and Human Performance, Seventh Edition, W.D. McArdle, F.I. Katch, and V.L. Katch, Editors. 2009, Point (Lippincott Williams & Wilkins).

16.          St-Onge, M.P., Are normal-weight Americans over-fat? Obesity (Silver Spring), 2010. 18(11): p. 2067-8.

17.          Geisler, C., et al., Age-Dependent Changes in Resting Energy Expenditure (REE): Insights from Detailed Body Composition Analysis in Normal and Overweight Healthy Caucasians. Nutrients, 2016. 8(6).

18.          Bosy-Westphal, A., et al., Contribution of individual organ mass loss to weight loss-associated decline in resting energy expenditure. Am J Clin Nutr, 2009. 90(4): p. 993-1001.

19.          Cruz, P., et al., Validity of weight loss to estimate improvement in body composition in individuals attending a wellness center. Obesity (Silver Spring), 2011. 19(11): p. 2274-9.

20.          Kaido, T. and S. Uemoto, Direct segmental multi-frequency bioelectrical impedance analysis is useful to evaluate sarcopenia. Am J Transplant, 2013. 13(9): p. 2506-7.

21.          Safer, U., et al., Comment on "Impact of sarcopenia on survival in patients undergoing living donor liver transplantation". Am J Transplant, 2013. 13(9): p. 2505.

22.          Sato, S., et al., Segmental body composition assessment for obese Japanese adults by single-frequency bioelectrical impedance analysis with 8-point contact electrodes. J Physiol Anthropol, 2007. 26(5): p. 533-40.

23.          Ling, C.H., et al., Accuracy of direct segmental multi-frequency bioimpedance analysis in the assessment of total body and segmental body composition in middle-aged adult population. Clin Nutr, 2011. 30(5): p. 610-5.

24.          Furstenberg, A. and A. Davenport, Assessment of body composition in peritoneal dialysis patients using bioelectrical impedance and dual-energy x-ray absorptiometry. Am J Nephrol, 2011. 33(2): p. 150-6.

25.          Cheng, M.F., et al., Total body composition estimated by standing-posture 8-electrode bioelectrical impedance analysis in male wrestlers. Biol Sport, 2016. 33(4): p. 399-405.

26.          Ackland, T.R., et al., Current status of body composition assessment in sport: review and position statement on behalf of the ad hoc research working group on body composition health and performance, under the auspices of the I.O.C. Medical Commission. Sports Med, 2012. 42(3): p. 227-49.

27.          Alkahtani, S.A., A cross-sectional study on sarcopenia using different methods: reference values for healthy Saudi young men. BMC Musculoskelet Disord, 2017. 18(1): p. 119.

Dr. Pierce's Medical Organization Affiliations

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