Evaluation of Accuracy of the Body Composition Measurements by the BIA Method

Kutáč, Petr; Gajda, Vojtěch

doi:10.2478/v10038-010-0027-x

Cited by 13 publications

(13 citation statements)

References 14 publications

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“…Maximum relative repeatability error for measurements of skinfolds expressed by the variability index ranges from 1.6% to 3.0% depending on the skinfold site. The maximum values of the relative repeatability errors are consistent with the results discussed in a study by Kutáč and Gajda (2011). BMI and WHR (waist/hip ratio) indexes were calculated and girths corrected by skinfolds.…”

Section: Resultssupporting

confidence: 88%

Anthropometric profile of female handball players is related to bone mineral density

Pastuszak

Górski

Gajewski

et al. 2018

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The aim of this study was to evaluate the relationship of a wide range of anthropometric parameters with BMD in normal-weight women: handball players and healthy untrained students. Thirteen former female handball players, (age 21.2±0.9 years, body mass 64.2±6.1 kg, training experience 6.7±2.4 years) and 51 randomly selected untrained students (age 20.6±1.2 years, body mass 58.1±6.8 kg), were examined. The anthropometric measurements included 16 variables. BMD was measured on the radius of the non-dominant hand at distal and proximal points with dual-energy X-ray absorptiometry (DXA), using a Norland pDEXA densitometer. Relationships between BMD and anthropometric variables were assessed in 64 normal-weight women (BMI≥18.5 and ≤ 24.99 kg/m2), by calculating Pearson’s linear correlation coefficient. We found a significant positive relationship between bone mass characteristics and biacromial breadth (0.30-0.53), calf (0.28-0.47) and arm (0.27-0.42) girth corrected, and lean body mass (LBM) (kg) (0.38-0.61) and (%) (0,27) in the group of normal-weight women. The student groups were significantly different (analysis of variance with Scheffé post hoc test, p<0.001) in BMD, bone mineral content (BMC) and Z-score at both measured points. The former handball players were also characterized by higher body mass and LBM (kg), as well as corrected body girths and biacromial breadth (p<0.001), compared to untrained students. The groups did not differ significantly in body height or total fat. The morphological profile of the female handball players is conducive to BMD. Skeletal characteristics and muscle tissue had a significant beneficial effect on bone mineral characteristics in young women with normal weight.

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Section: Resultssupporting

confidence: 88%

Anthropometric profile of female handball players is related to bone mineral density

Pastuszak

Górski

Gajewski

et al. 2018

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“…TE values measured in the present study with the analyzer. Tanita BC 418 MA corresponds to those presented in the study which focused on the issue and size of TE at the identical type of analyzer [ 39 , 40 ]; TE values calculated for the analyzers from Nutriguard are even lower. TE values calculated from the measurements between the individual days in a week were higher.…”

Section: Discussionmentioning

confidence: 96%

Inter-daily variability in body composition among young men

Kutáč

2015

J Physiol Anthropol

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BackgroundThe present study analyses changes in body composition over the course of a working week. The purpose of the study is to identify the size of the changes in the observed parameters by means of typical error of measurement (TE) as the initial value for the interpretation of the detected changes in the repeated measurement in diagnostic practice.MethodsThe researched group consisted of 86 males, aged 21.4 ± 1.0 years. All the participants were free of any medical conditions. The measurement of each participant took place over 1 week from Monday till Friday, in the morning hours. Parameters measured: body mass (BM), total body water (TBW), and body fat (BF). The measurement employed two devices using the bioelectric impedance analysis. These devices were the analyzers Tanita BC 418 MA and Nutriguard MS. In order to assess the differences between the average values, the analysis of repeated measurements was used. To assess the material significance, eta squared was used. TE was used to express the size of the changes in the observed parameters.ResultsA statistically significant difference between the average values of the observed parameters was only detected when using the Tanita BC 418 MA analyzer. Based on the post-hoc tests, these differences in the average values were always detected on Monday and Friday. No material significance was proved, however. The highest TE values were also detected in measurements carried out on Monday and Friday. For BM, the value of TE was 0.6 kg, for TBW 1.0–1.1 %, 0.8–0.9 kg, and for BF 1.2–1.6 %, 1.1–1.3 kg depending on the analyzer used.ConclusionsThe results of the present study demonstrate the stability of parameters of body composition throughout a working week, with the provision that standard measuring conditions are fulfilled. For the purpose of diagnostic practice, when interpreting the results of the repeated measurements, it is advisable to take as provable change caused by the observed factors only the ones whose values exceed the value of a weekly TE or the upper limit of the interval of the measurement reliability.

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“…The overall decrease in the proportion of BF by 1.8% in the case of the Nutriguard analyser (A1) and by 2.3% for the Tanita analyser (A2) were considered significant, not only because statistical and material significance were confirmed but also because these changes exceeded the values of the typical error of measurement (TE) for the devices. For the bioimpedance analysers, the TE reference values are between 0.38 and 0.83 for BF, depending on the type of analyser used (Kutáč & Gajda, 2011;Macfarlane, 2007). Therefore these differences were not the result of the analysers' measurement error, but possibly related to the conditioning program.…”

Section: Discussionmentioning

confidence: 99%

Untitled

2017

JPES

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Backround: High performance is also associated with specific ranges in somatic parameters depending on the sporting discipline. The development and maintenance of these parameters is supported primarily by the conditioning sessions players are exposed to across the various phases of the season. Objective: The aim of the study was to monitor the changes in the body composition of an entire team of elite players during a conditioning program. Method: The study included a total of 25 elite, Czech Republic, premier league (ELH) ice hockey players (24.6±5.0 years). The measured parameters included the following: body mass (BM), body fat (BF), fat free mass (FFM) and segmental analysis BF. These parameters were measured at the beginning and at the end of specific phases of the conditioning program, with four measurements taken in total. Results: Compared with the pre conditioning phase measurement, percentage of body fat decreased by 1.8 to 2.3 % (p<.05, η2 = .06) during the conditioning phase which was analyzer dependent. Extracellular mass decreased by 2 kg (p<.05, η2 = .04), while there was a 2.9 kg (p<.05, η2 = .14) increase in intracellular mass. There were also changes in the segmental distribution of body fat, with a decrease of 1.4 to 1.9% (p<.05, η2 = .07) in the lower limbs and a decrease of 2.9% (p<.05, η2 = .07) in the trunk. No changes were observed in the upper limbs. Conclusion: These results indicate that the conditioning program had a positive effect on the somatic parameters in the players. There was a decrease in fat mass and increase in muscle mass, which creates another precondition for further development of the strength performance.

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Evaluation of Accuracy of the Body Composition Measurements by the BIA Method

Cited by 13 publications

References 14 publications

Anthropometric profile of female handball players is related to bone mineral density

Anthropometric profile of female handball players is related to bone mineral density

Inter-daily variability in body composition among young men

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