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Journal articles on the topic 'Multifrequency bioelectrical impedance'

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Published: 2 June 2025

Last updated: 31 July 2025

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1

Gudivaka, R., D. Schoeller, and R. F. Kushner. "Effect of skin temperature on multifrequency bioelectrical impedance analysis." Journal of Applied Physiology 81, no. 2 (1996): 838–45. http://dx.doi.org/10.1152/jappl.1996.81.2.838.

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This study assessed the effects of changes in skin temperature on multifrequency bioimpedance analysis (MF-BIA) and on the prediction of body water compartments. Skin temperature (baseline 29.3 +/- 2.1 degrees C) of six healthy adults was raised over 50 min to 35.8 +/- 0.6 degrees C, followed by cooling for 20 min to 26.9 +/- 1.3 degrees C, by using an external heating and cooling blanket. MF-BIA was measured at both distal (conventional) and proximal electrode placements. Both distal and proximal impedance varied inversely with a change in skin temperature across all frequencies (5–500 kHz).

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Nagai, M., H. Komiya, Y. Mori, T. Ohta, Y. Kasahara, and Y. Ikeda. "Estimating Visceral Fat Area by Multifrequency Bioelectrical Impedance." Diabetes Care 33, no. 5 (2010): 1077–79. http://dx.doi.org/10.2337/dc09-1099.

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3

De Lorenzo, A., N. Candeloro, A. Andreoli, and P. Deurenberg. "Determination of Intracellular Water by Multifrequency Bioelectrical Impedance." Annals of Nutrition and Metabolism 39, no. 3 (1995): 177–84. http://dx.doi.org/10.1159/000177860.

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4

Suzuki, Hiromasa, Jan D. Rounds, and Douglas W. Wilmore. "Does Multifrequency Bioelectrical Impedance Relate to Body Composition?" Journal of Surgical Research 65, no. 1 (1996): 63–69. http://dx.doi.org/10.1006/jsre.1996.0344.

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5

Cha, K., G. M. Chertow, J. Gonzalez, J. M. Lazarus, and D. W. Wilmore. "Multifrequency bioelectrical impedance estimates the distribution of body water." Journal of Applied Physiology 79, no. 4 (1995): 1316–19. http://dx.doi.org/10.1152/jappl.1995.79.4.1316.

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Multifrequency bioelectrical impedance analysis was used to estimate the ratio of extracellular water (ECW) to total body water in subjects with end-stage renal disease. The body's resistance was measured at frequencies ranging from 1 kHz to 1 MHz. The impedance index (height2/resistance) determined at low frequency (5 kHz) correlated most closely with ECW (r = 0.886) using sodium bromide dilution as the standard of comparison. In contrast, the ratio of height squared to resistance determined at high frequency (500 kHz) correlated most closely with total body water (r = 0.974) using deuterium

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6

Islam, Sufia, Iqbal Kabir, Mohammad A. Wahed, et al. "Multifrequency bioelectrical impedance analysis to assess human body composition." Nutrition Research 19, no. 8 (1999): 1179–88. http://dx.doi.org/10.1016/s0271-5317(99)00079-2.

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Kolomeyets, N. L., A. G. Ivonin, E. A. Peshkin, and I. M. Roshchevskaya. "BIOELECTRICAL IMPEDANCE OF THE LEFT VENTRICULAR MYOCARDIUM, LUNG IN RATS AFTER FORCED SWIMMING TRAINING AND SUBSEQUENT DETRAINING." Журнал эволюционной биохимии и физиологии 59, no. 1 (2023): 65–75. http://dx.doi.org/10.31857/s0044452923010059.

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Multifrequency bioimpedance studies were performed in rats subjected to an eight-week swimming course followed by an eight-week no-exercise period and control animals. A significantly lower ratio of the phase angles of the bioelectrical impedance of the lung tissue at two frequencies of electric current in rats after prolonged physical activity in comparison with control animals was revealed, which may indicate structural and functional changes in the lung tissue. No significant differences were found in the bioimpedance of the myocardium of the left ventricle of the heart in rats of the two g

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8

Cha, K., A. G. Hill, J. D. Rounds, and D. W. Wilmore. "Multifrequency bioelectrical impedance fails to quantify sequestration of abdominal fluid." Journal of Applied Physiology 78, no. 2 (1995): 736–39. http://dx.doi.org/10.1152/jappl.1995.78.2.736.

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Multifrequency bioelectrical impedance analysis (MFBIA) was used to determine the intracellular (ICW) and extracellular water (ECW) compartments in rats. Resistance and reactance were measured on various body segments with frequencies ranging from 1 KHz to 1 MHz. After initial measurements, 0.9% NaCl was injected intravenously or intraperitoneally, and changes in ECW and ICW were estimated by MFBIA. Important differences were found between segments. In the leg, estimated ECW increased in proportion to the volume of intravenous fluid infused, whereas estimated ICW changed minimally. However, in

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9

Pawar, Charu, Munna Khan, Jai Prakash Saini, Dev Singh, Manish Bhardwaj, and Yu-Chen Hu. "Implementation of Bioelectrical Impedance Measuring Instrument Based on Embedded System." Mathematical Problems in Engineering 2024 (April 25, 2024): 1–10. http://dx.doi.org/10.1155/2024/1024006.

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The present research aims to measure the segmental bioelectrical impedance (BI) of the human body at multifrequency, using a server user interface-based prototype, which provides subjects with measured data online anywhere accessed by their unique identifications. The present research measures the BI of the human leg and arm at a multifrequency range of 50–400 kHz with a developed and standard device. Recorded data can be transferred to the subject using Wi-Fi technology with their unique identifications and password. The system uses Wi-Fi interfacing for real-time data measurement and online

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Bogónez-Franco, P., L. Nescolarde, R. Bragós, J. Rosell-Ferrer, and I. Yandiola. "Measurement errors in multifrequency bioelectrical impedance analyzers with and without impedance electrode mismatch." Physiological Measurement 30, no. 7 (2009): 573–87. http://dx.doi.org/10.1088/0967-3334/30/7/004.

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11

Bosquet, Laurent, Thomas Niort, and Maxime Poirault. "Intra- and Inter-Day Reliability of Body Composition Assessed by a Commercial Multifrequency Bioelectrical Impedance Meter." Sports Medicine International Open 1, no. 04 (2017): E141—E146. http://dx.doi.org/10.1055/s-0043-113999.

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AbstractThe purpose of this study was to examine the intra- and inter-day reliability of body composition measurements provided by a commercial multifrequency bioelectrical impedance meter. Eighteen healthy, well-trained students in physical education from the same ethnic group were assessed on four consecutive days, both in the morning and in the evening. Indexes provided by the device were gathered in four categories: tissular, metabolic, hydric and ionic blocks. There was no systematic bias between repeated measures, regardless of time of day. Relative reliability was high to very high in t

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12

Yamada, Yosuke, Yuya Watanabe, Masahiro Ikenaga, et al. "Comparison of single- or multifrequency bioelectrical impedance analysis and spectroscopy for assessment of appendicular skeletal muscle in the elderly." Journal of Applied Physiology 115, no. 6 (2013): 812–18. http://dx.doi.org/10.1152/japplphysiol.00010.2013.

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Bioelectrical impedance analysis (BIA) is used to assess skeletal muscle mass, although its application in the elderly has not been fully established. Several BIA modalities are available: single-frequency BIA (SFBIA), multifrequency BIA (MFBIA), and bioelectrical impedance spectroscopy (BIS). The aim of this study was to examine the difference between SFBIA, MFBIA, and BIS for assessment of appendicular skeletal muscle strength in the elderly. A total of 405 elderly (74.2 ± 5.0 yr) individuals were recruited. Grip strength and isometric knee extension strength were measured. Segmental SFBIA,

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13

De Lorenzo, A., R. P. Sorge, N. Candeloro, C. Di Campli, G. Sesti, and R. Lauro. "New insights into body composition assessment in obese women." Canadian Journal of Physiology and Pharmacology 77, no. 1 (1999): 17–21. http://dx.doi.org/10.1139/y98-133.

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During treatment of patients with non-insulin-dependent diabetes mellitus, there may be marked body weight loss. Therefore, body composition should be monitored to check for a decrease in fat mass alone, without an excessive decrease of both fat-free mass and total body water. Accordingly, it is useful to monitor the hydration of these patients. One method that allows us to check the status of body hydration is the multifrequency bioelectric impedance analysis (MFBIA). It makes use of formulas that estimate total body water on the basis of the concept that the human body may be approximated to

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14

Gudivaka, R., D. A. Schoeller, R. F. Kushner, and M. J. G. Bolt. "Single- and multifrequency models for bioelectrical impedance analysis of body water compartments." Journal of Applied Physiology 87, no. 3 (1999): 1087–96. http://dx.doi.org/10.1152/jappl.1999.87.3.1087.

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The 1994 National Institutes of Health Technology Conference on bioelectrical impedance analysis (BIA) did not support the use of BIA under conditions that alter the normal relationship between the extracellular (ECW) and intracellular water (ICW) compartments. To extend applications of BIA to these populations, we investigated the accuracy and precision of seven previously published BIA models for the measurement of change in body water compartmentalization among individuals infused with lactated Ringer solution or administered a diuretic agent. Results were compared with dilution by using de

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15

Mally, Katharina, and Manuela Dittmar. "Comparison of three segmental multifrequency bioelectrical impedance techniques in healthy adults." Annals of Human Biology 39, no. 6 (2012): 468–78. http://dx.doi.org/10.3109/03014460.2012.711858.

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16

Ellis, Kenneth J., and William W. Wong. "Human hydrometry: comparison of multifrequency bioelectrical impedance with2H2O and bromine dilution." Journal of Applied Physiology 85, no. 3 (1998): 1056–62. http://dx.doi.org/10.1152/jappl.1998.85.3.1056.

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The traditional method of assessing total body water (TBW), extracellular water (ECW), and intracellular water (ICW) has been the use of isotopes, on the basis of the dilution principle. Although the development of bioelectrical impedance techniques has eliminated many of the measurement constraints associated with the dilution methods, the degree of interchangeability between the two methods remains uncertain. We used multifrequency bioelectrical impedance spectroscopy (BIS),2H2O dilution, and bromine dilution to assess TBW, ECW, and ICW in 469 healthy subjects (248 males, 221 females) aged 3

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17

de Blasio, Francesca, Francesco de Blasio, Giulia Miracco Berlingieri, et al. "Evaluation of body composition in COPD patients using multifrequency bioelectrical impedance analysis." International Journal of Chronic Obstructive Pulmonary Disease Volume 11 (September 2016): 2419–26. http://dx.doi.org/10.2147/copd.s110364.

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18

Valensise, Herbert, Angela Andreoli, Stefano Lello, Francesca Magnani, Carlo Romanini, and Antonino De Lorenzo. "Multifrequency bioelectrical impedance analysis in women with a normal and hypertensive pregnancy." American Journal of Clinical Nutrition 72, no. 3 (2000): 780–83. http://dx.doi.org/10.1093/ajcn/72.3.780.

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19

Lusseveld, Elisabeth M., Elizabeth Th J. Peters, and Paul Deurenberg. "Multifrequency Bioelectrical Impedance as a Measure of Differences in Body Water Distribution." Annals of Nutrition and Metabolism 37, no. 1 (1993): 44–51. http://dx.doi.org/10.1159/000177748.

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20

UTTER, ALAN C., and PAMELA G. LAMBETH. "Evaluation of Multifrequency Bioelectrical Impedance Analysis in Assessing Body Composition of Wrestlers." Medicine & Science in Sports & Exercise 42, no. 2 (2010): 361–67. http://dx.doi.org/10.1249/mss.0b013e3181b2e8b4.

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21

Mikamori, Manabu, Atsushi Miyamoto, Tadafumi Asaoka, et al. "Postoperative Changes in Body Composition After Pancreaticoduodenectomy Using Multifrequency Bioelectrical Impedance Analysis." Journal of Gastrointestinal Surgery 20, no. 3 (2015): 611–18. http://dx.doi.org/10.1007/s11605-015-3055-1.

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22

Jagim, Andrew R., Joel Luedke, Jacob L. Erickson, Jennifer B. Fields, and Margaret T. Jones. "Validation of Bioelectrical Impedance Devices for the Determination of Body Fat Percentage in Firefighters." Journal of Strength & Conditioning Research 38, no. 8 (2024): e448-e453. http://dx.doi.org/10.1519/jsc.0000000000004809.

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Abstract Jagim, AR, Luedke, J, Erickson, JL, Fields, JB, and Jones, MT. Validation of bioelectrical impedance devices for the determination of body fat percentage in firefighters. J Strength Cond Res 38(8): e448–e453, 2024—To cross-validate bioelectrical impedance devices for the determination of body fat percentage (BF%) in firefighters. Twenty-eight structural firefighters were evaluated (female, n = 2; male, n = 26 [mean ± SD] age: 38.2 ± 8.3 years; height: 180.2 ± 7.5 cm; body mass: 86.7 ± 20.8 kg; body mass index: 25.8 ± 7.8 kg·m−2) using multifrequency bioelectrical impedance analysis (M

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23

Ward, L. C., M. Elia, and B. H. Cornish. "Potential errors in the application of mixture theory to multifrequency bioelectrical impedance analysis." Physiological Measurement 19, no. 1 (1998): 53–60. http://dx.doi.org/10.1088/0967-3334/19/1/005.

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24

Novackova, Marta, Michael J. Halaska, Helena Robova, et al. "A Prospective Study in Detection of Lower-Limb Lymphedema and Evaluation of Quality of Life After Vulvar Cancer Surgery." International Journal of Gynecologic Cancer 22, no. 6 (2012): 1081–88. http://dx.doi.org/10.1097/igc.0b013e31825866d0.

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BackgroundLower-limb lymphedema is one of the most disabling adverse effects of vulvar cancer surgery. Multifrequency Bioelectrical Impedance Analysis (MFBIA) is a modern noninvasive method to detect lymphedema. The first aim of this study was to prospectively determine the prevalence of secondary lower-limb lymphedema after surgical treatment for vulvar cancer using objective methods, circumference measurements and MFBIA technique. The second aim was to compare quality of life (QoL) before and 6 months after vulvar surgery.MethodsTwenty-nine patients underwent vulvar cancer surgery in our stu

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25

Ellis, Kenneth J., Roman J. Shypailo, and William W. Wong. "Measurement of body water by multifrequency bioelectrical impedance spectroscopy in a multiethnic pediatric population." American Journal of Clinical Nutrition 70, no. 5 (1999): 847–53. http://dx.doi.org/10.1093/ajcn/70.5.847.

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26

Thomson, B. C., B. J. Thomas, L. C. Ward, and M. N. Sillence. "Evaluation of multifrequency bioelectrical impedance data for predicting lean tissue mass in beef cattle." Australian Journal of Experimental Agriculture 37, no. 7 (1997): 743. http://dx.doi.org/10.1071/ea97025.

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Summary. Multifrequency bioimpedance analysis has the potential to provide a non-invasive technique for determining body composition in live cattle. A bioimpedance meter developed for use in clinical medicine was adapted and evaluated in 2 experiments using a total of 31 cattle. Prediction equations were obtained for total body water, extracellular body water, intracellular body water, carcass water and carcass protein. There were strong correlations between the results obtained through chemical markers and bioimpedance analysis when determined in cattle that had a wide range of liveweights an

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27

Rikkert, M. G. M. O., P. Deurenberg, R. W. M. M. Jansen, M. A. van't Hof, and W. H. L. Hoefnagels. "Validation of Multifrequency Bioelectrical Impedance Analysis in Monitoring Fluid Balance in Healthy Elderly Subjects." Journals of Gerontology Series A: Biological Sciences and Medical Sciences 52A, no. 3 (1997): M137—M141. http://dx.doi.org/10.1093/gerona/52a.3.m137.

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28

Anderson, Lindsey J., David N. Erceg, and E. Todd Schroeder. "Utility of Multifrequency Bioelectrical Impedance Compared to DEXA for Assessment of Regional Lean Mass." Medicine & Science in Sports & Exercise 43, Suppl 1 (2011): 316. http://dx.doi.org/10.1249/01.mss.0000400870.47008.e9.

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29

Yildirim Borazan, Funda, Merve Esra Citar Dazıroglu, Nazlıcan Erdogan Gövez, Nilüfer Acar-Tek, Berna Göker, and Hacer Dogan Varan. "Body Composition Analyses in Older Adults May Vary Significantly Depending on the Bioelectrical Impedance Analyzer Modality." Topics in Clinical Nutrition 39, no. 2 (2024): 104–11. http://dx.doi.org/10.1097/tin.0000000000000379.

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This study aimed to investigate the effects of aging on body composition analyses detected by a single-frequency (SF-BIA) and a multifrequency bioelectrical impedance analyzer (MF-BIA). Forty older patients and 42 young subjects were included in the study. Body composition was measured using an SF-BIA and an MF-BIA consecutively. Significant differences were found between the analyses of SF-BIA and MF-BIA in older patients. Handgrip strength values were found to correlate more strongly with the skeletal muscle mass index detected by MF-BIA. MF-BIA may be preferable to SF-BIA in older adults du

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30

Hyun, Seung-Hyea, Ji-Young Choi, Jang-Hee Cho, Sun-Hee Park, Chan-Duck Kim, and Yong-Lim Kim. "Assessment of Fluid and Nutritional Status Using Multifrequency Bioelectrical Impedance Analysis in Peritoneal Dialysis Patients." Blood Purification 37, no. 2 (2014): 152–62. http://dx.doi.org/10.1159/000360272.

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31

Libraty, Daniel H., Timothy P. Endy, Siripen Kalayanarooj, et al. "Assessment of body fluid compartment volumes by multifrequency bioelectrical impedance spectroscopy in children with dengue." Transactions of the Royal Society of Tropical Medicine and Hygiene 96, no. 3 (2002): 295–99. http://dx.doi.org/10.1016/s0035-9203(02)90104-5.

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32

Sengun, Sermin, Atilla Uslu, and Salih Aydin. "Application of Multifrequency Bioelectrical Impedance Analysis Method for the Detection of Dehydration Status in Professional Divers." Medicina 48, no. 4 (2012): 29. http://dx.doi.org/10.3390/medicina48040029.

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Background and Objective. The level of dehydration has been known to be a predisposing factor for the development of decompression sickness in divers. The aim of this study was to determine the level of dehydration in divers who dove with heliox and to determine whether the source of this dehydration was intracellular and/or extracellular by means of multifrequency bioelectrical impedance analysis (MF-BIA). Material and Methods. Eleven male professional divers were enrolled in the study. In order to determine the level of dehydration, MF-BIA was carried out (at 5, 50, and 100 kHz) and capillar

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33

Ando, Makoto, Noriaki Shimada, Kenichiro Asano, Toru Kikutsuji, and Seiichi Mochizuki. "Simple estimation of excess fluid volume in hemodialysis patients based on multifrequency bioelectrical impedance analysis data." Journal of Biorheology 34, no. 2 (2020): 55–60. http://dx.doi.org/10.17106/jbr.34.55.

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Rae, L. S., D. M. Vankan, J. S. Rand, E. A. Flickinger, and L. C. Ward. "Measuring body composition in dogs using multifrequency bioelectrical impedance analysis and dual energy X-ray absorptiometry." Veterinary Journal 212 (June 2016): 65–70. http://dx.doi.org/10.1016/j.tvjl.2016.04.007.

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35

Janssen, Y. J. H., P. Deurenberg, and F. Roelfsema. "Using Dilution Techniques and Multifrequency Bioelectrical Impedance to Assess Both Total Body Water and Extracellular Water at Baseline and During Recombinant Human Growth Hormone (GH) Treatment in GH-Deficient Adults*." Journal of Clinical Endocrinology & Metabolism 82, no. 10 (1997): 3349–55. http://dx.doi.org/10.1210/jcem.82.10.4272.

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Abstract Due to the use of various, and mostly indirect, methods to estimate total body water (TBW) and extracellular water (ECW), there is no agreement about whether body water distribution, i.e. the ECW to TBW ratio, is normal in GH-deficient (GHD) subjects at baseline and during recombinant human GH (rhGH) treatment. We studied body water distribution in 14 patients with adult-onset GHD and in 28 healthy controls. We also investigated the effect of GH replacement therapy for 4 and 52 weeks on body water distribution. All patients started with a dose of 0.6 IU rhGH/day for the first 4 weeks.

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36

Lafontant, Kworweinski, Danielle A. Sterner, David H. Fukuda, Jeffrey R. Stout, Joon-Hyuk Park, and Ladda Thiamwong. "Comparing Device-Generated and Calculated Bioimpedance Variables in Community-Dwelling Older Adults." Sensors 24, no. 17 (2024): 5626. http://dx.doi.org/10.3390/s24175626.

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Despite BIA emerging as a clinical tool for assessing older adults, it remains unclear how to calculate whole-body impedance (Z), reactance (Xc), resistance (R), and phase angle (PhA) from segmental values using modern BIA devices that place electrodes on both sides of the body. This investigation aimed to compare both the whole-body and segmental device-generated phase angle (PhADG) with the phase angle calculated using summed Z, Xc, and R from the left, right, and combined sides of the body (PhACalc) and to compare bioelectric variables between sides of the body. A sample of 103 community-dw

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Yasunaga, Yoshichika, Daisuke Yanagisawa, Erika Ohata, Kiyoshi Matsuo, and Shunsuke Yuzuriha. "Bioelectrical Impedance Analysis of Water Reduction in Lower-Limb Lymphedema by Lymphaticovenular Anastomosis." Journal of Reconstructive Microsurgery 35, no. 04 (2018): 306–14. http://dx.doi.org/10.1055/s-0038-1675368.

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Background Although lymphedema is fundamentally abnormal accumulation of excess water in the extracellular space, previous studies have evaluated the efficacy of physiological bypass surgery (lymphaticovenular anastomosis [LVA]) for lymphedema without measuring water volume. This study clarified the water reductive effect of LVA using bioelectrical impedance analysis (BIA). Methods The efficacy of LVA for unilateral lower-limb lymphedema was evaluated using BIA in a retrospective cohort. The water volume of affected and unaffected legs was measured using multifrequency BIA before and after LVA

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Liu, Min-Hui, Chao-Hung Wang, Yu-Yen Huang, et al. "Edema index established by a segmental multifrequency bioelectrical impedance analysis provides prognostic value in acute heart failure." Journal of Cardiovascular Medicine 13, no. 5 (2012): 299–306. http://dx.doi.org/10.2459/jcm.0b013e328351677f.

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Cutrufello, Paul T., Curt B. Dixon, Joseph L. Andreacci, and Gerald S. Zavorsky. "Segmental Lean Body Mass Values Determined by Dual Energy X-ray Absorptiometry and Multifrequency-Bioelectrical Impedance Analysis." Medicine & Science in Sports & Exercise 46 (May 2014): 615–16. http://dx.doi.org/10.1249/01.mss.0000495316.13669.6d.

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Fürstenberg, Antje, and Andrew Davenport. "Comparison of Multifrequency Bioelectrical Impedance Analysis and Dual-Energy X-ray Absorptiometry Assessments in Outpatient Hemodialysis Patients." American Journal of Kidney Diseases 57, no. 1 (2011): 123–29. http://dx.doi.org/10.1053/j.ajkd.2010.05.022.

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Deurenberg, Paul, Zewdie Wolde-Gebriel, and Frans J. M. Schouten. "Validity of Predicted Total Body Water and Extracellular Water Using Multifrequency Bioelectrical Impedance in an Ethiopian Population." Annals of Nutrition and Metabolism 39, no. 4 (1995): 234–41. http://dx.doi.org/10.1159/000177868.

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42

Anderson, Alicia M., Toni D. Uhrich, and Paula E. Papanek. "BODY COMPOSITION USING DXA VERSUS BIA IN A MIXED COHORT OF COLLEGE STUDENTS." Journal of Clinical Exercise Physiology 13, s1 (2024): 19. http://dx.doi.org/10.31189/2165-7629-13-s1.19.

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BACKGROUND Body composition assessment is an important clinical and research tool. Dual energy x-ray absorptiometry (DXA) is the ‘gold standard’ and useful in the research environment, however, it is expensive, reliant on a trained technician, requires a large space, and is immoveable. Bioelectrical impedance (BIA) measurements have improved with the application of 8-electrode multifrequency units and could offer faster, cheaper, and portable alternative if measurements are comparable. The purpose of this study was to determine how well bone mineral content (BMC), lean body mass (LBM), and fat

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Kerr, Ava, Gary Slater, Nuala Byrne, and Janet Chaseling. "Validation of Bioelectrical Impedance Spectroscopy to Measure Total Body Water in Resistance-Trained Males." International Journal of Sport Nutrition and Exercise Metabolism 25, no. 5 (2015): 494–503. http://dx.doi.org/10.1123/ijsnem.2014-0188.

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The three-compartment (3-C) model of physique assessment (fat mass, fat-free mass, water) incorporates total body water (TBW) whereas the two-compartment model (2-C) assumes a TBW of 73.72%. Deuterium dilution (D2O) is the reference method for measuring TBW but is expensive and time consuming. Multifrequency bioelectrical impedance spectroscopy (BIS SFB7) estimates TBW instantaneously and claims high precision. Our aim was to compare SFB7 with D2O for estimating TBW in resistance trained males (BMI >25kg/m2). We included TBWBIS estimates in a 3-C model and contrasted this and the 2-C model

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Halaška, Michael J., Viktor Komárek, Ivana Malá, et al. "A method for the detection of post-operative lymphoedema after operation for breast cancer: multifrequency bioelectrical impedance analysis." Journal of Applied Biomedicine 4, no. 4 (2006): 179–85. http://dx.doi.org/10.32725/jab.2006.020.

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Elliott, Denise A., Robert C. Backus, Marta D. Van Loan, and Quinton R. Rogers. "Evaluation of Multifrequency Bioelectrical Impedance Analysis for the Assessment of Extracellular and Total Body Water in Healthy Cats." Journal of Nutrition 132, no. 6 (2002): 1757S—1759S. http://dx.doi.org/10.1093/jn/132.6.1757s.

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Yamada, Yosuke, Masahiro Ikenaga, Noriko Takeda, et al. "Estimation of thigh muscle cross-sectional area by single- and multifrequency segmental bioelectrical impedance analysis in the elderly." Journal of Applied Physiology 116, no. 2 (2014): 176–82. http://dx.doi.org/10.1152/japplphysiol.00772.2013.

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Bioelectrical impedance analysis (BIA) has been used to estimate skeletal muscle mass, but its application in the elderly is not optimal. The accuracy of BIA may be influenced by the expansion of extracellular water (ECW) relative to muscle mass with aging. Multifrequency BIA (MFBIA) can evaluate the distribution between ECW and intracellular water (ICW), and thus may be superior to single-frequency BIA (SFBIA) to estimate muscle mass in the elderly. A total of 58 elderly participants aged 65–85 years were recruited. Muscle cross-sectional area (CSA) was obtained from computed tomography scans

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Sukackiene, D., A. Laucyte-Cibulskiene, J. Brauklyte, A. Aleksaite, and M. Miglinas. "SUN-PO138: Edema Index Established by a Multifrequency Bioelectrical Impedance Analysis in Patients on Kidney Transplant Waiting List." Clinical Nutrition 38 (September 2019): S110—S111. http://dx.doi.org/10.1016/s0261-5614(19)32771-2.

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Paton, N. I. J., G. Jennings, M. Elia, and G. E. Griffin. "Validation of multifrequency bioelectrical impedance for measuring body water compartments in patients with human immunodeficiency virus (HIV) infection." Nutrition 13, no. 3 (1997): 278. http://dx.doi.org/10.1016/s0899-9007(97)82660-3.

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Jeon, Kwon Chan, So-Young Kim, Fang Lin Jiang, et al. "Prediction Equations of the Multifrequency Standing and Supine Bioimpedance for Appendicular Skeletal Muscle Mass in Korean Older People." International Journal of Environmental Research and Public Health 17, no. 16 (2020): 5847. http://dx.doi.org/10.3390/ijerph17165847.

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Bioimpedance analysis (BIA) has been demanded for the assessment of appendicular skeletal muscle mass (ASM) in clinical and epidemiological settings. This study aimed to validate BIA equations for predicting ASM in the standing and supine positions; externally to cross-validate the new and published and built-in BIA equations for group and individual predictive accuracy; and to assess the overall agreement between the measured and predicted ASM index as sarcopenia diagnosis. In total, 199 healthy older adults completed the measurements of multifrequency BIA (InBody770 and InBodyS10) and dual-e

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Elliott, Denise A., Robert C. Backus, Marta D. Van Loan, and Quinton R. Rogers. "Extracellular Water and Total Body Water Estimated by Multifrequency Bioelectrical Impedance Analysis in Healthy Cats: A Cross-Validation Study." Journal of Nutrition 132, no. 6 (2002): 1760S—1762S. http://dx.doi.org/10.1093/jn/132.6.1760s.

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