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The Diagnosis of Excessive Body Mass and Body Fat in 18-Year-Old Youth – Assessment of Comparability of Results Obtained on the Basis of BMI and BIA Methods

100%
Kawalec-Kajstura E., Malinowska-Lipien I., Brzostek T.
Polish Journal of Public Health
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2015
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vol. 124
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issue 3
120-124
EN
Introduction. A systematic increase in the frequency of excessive body mass in young Poles is an argument supporting the need for identification persons with the increased risk. It is justified to test the level of comparability of the applied screening methods and criteria of diagnosing excessive body mass and body fat in the adolescent group. Aim. To assess the comparability of the results in terms of frequency of diagnosing of overweight and body fat excessive content depending on the method and assessment criteria in 18-year-olds. Material and methods. The study comprised 141 secondary school students (100 women and 41 men), with the age median of 17.8 ± 0.5 years. The measurements included height and body mass (to calculate the BMI) and assessment of the percentage of body fat content with two methods of bioelectric impedance in two bipolar versions: Tanita BC-570 and Omron BF-306. Results. Excessive body mass, as defined by the BMI, was found in 12.1% of students. The incidence of diagnosing excessive contents of body fat in the organism depended on the method of measurement and criteria of results interpretation; 20.6% with the Tanita and 28.3% with the Omron method. The measurements with Tanita BC-570 scales demonstrated stronger correlation with BMI value (p<0.001; r2=0.34) than measurements with the Omron BF-306 (p<0.001; r2=0.16). Conclusions. In young adults: 1. the diagnosis of excessive body mass by BMI and measurement with use of the bioelectric impedance methods with two bipolar versions (Tanita BC-570, Omron BF-306) provided inconsistent results. 2. The proportion of young people with excessive body fat was greater than indicated by the BMI norms. 3. The measurement with Tanita BC-570 scales demonstrated stronger correlation with BMI values than by the ones with the Omron. 4. Critical approach to the applied methods is indispensable in screening studies of nutrition level among adolescents.
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Bioelectrical Impedance Analysis of Body Composition and Muscle Mass Distribution in Advanced Kayakers

88%
Rynkiewicz M., Rynkiewicz T.
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2010
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vol. 11
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issue 1
11-16
EN
Purpose. The study aims at assessment of body composition and muscle mass distribution in advanced kayakers. Kayak paddlers should be characterized by large body mass with a significant percentage of muscle mass, especially in the trunk region. Basic procedures. The sample consisted of 26 kayakers. The body composition and muscle mass distribution were determined based on bioelectrical impedance analysis. Main findings. The subjects had large muscle mass and average fat mass. The percentage of body fat mass in the kayakers was observed to increase with age, whereas the muscle mass percentage decreased, with the exception of the limbs. Conclusions. BIA of body composition and distribution of muscle mass should be a standard diagnostic method to collect data on proper adaptation of kayakers to their training programs.
3
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Budowa i skład ciała szpadzistek a sukces sportowy

63%
Błach B.
Polish Journal of Sports Medicine
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2020
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vol. 36(2)
65-72
PL
Wstęp. Celem pracy było określenie komponentów składu ciała szermierek (szpadzistek), uczestniczek międzynarodowych turniejów wysokiej rangi u medalistek i zawodniczek spoza strefy medalowej. Materiał i metody. Badaniami objęto 37 najlepszych w Polsce zawodniczek trenujących szermierkę na szpady, w wieku od 18 do 34 lat. Komponenty składu ciała zbadano rano, na czczo, metodą analizy bioelektrycznej impedancji (BIA- Body Impedance Analysis) za pomocą analizatora Tanita SC 330 S. W badanej grupie wyróżniono dwie podgrupy: I- medalistki Mistrzostw Europy i/lub Mistrzostw Świata (n=7), II-uczestniczki wyżej wymienionych turniejów w szermierce, które nie zdobyły medalu (n=30). Wyniki. Znaczne różnice w cechach antropometrycznych odnotowano porównując obie grupy szpadzistek. Medalistki były średnio wyższe o 5.8 cm, cięższe o 7.1 kg oraz charakteryzowały się większą o 4.9 kg masą ciała. Pozostałe cechy morfologiczne takie jak względna masa tkanki tłuszczowej i wody oraz masa tkanki kostnej w niewielkim stopniu różnicowała obie grupy. Ponadto zawodniczki z grupy I były starsze średnio o 4,4 lata. Wnioski. Szermierka jest sportem, w którym o wyniku sportowym w znacznym stopniu przesądzają umiejętności techniczno-taktyczne. Te cechy rozwijają się wraz ze stażem sportowym, zatem wpływ wieku może maskować udział budowy somatycznej w sukcesie sportowym.
EN
Background. The aim of the study was to determine the body composition components in a sample of female fencers, participants of international tournaments and high-rank medalists out of medalist zone. Material and methods. The sample included 37 best competitors training épée fencing, aged 18- 34 years. The components of body composition were assessed in the morning on an empty stomach by means of Body Impedance Analysis (BIA) using Tanita SC 330 S analyzer. The sample was divided into two subgroups: group I included medalists of the European and/or World Championships (n=7) while group II included the participants of the above mentioned championships who did not win a medal (n=30). Results. Significant differences were found in anthropometric characteristics obtained from the comparison of their parameters. The medalists were on average 5.8 cm taller, 7.1 kg heavier and their body mass was higher by 4.9 kg. The remaining morphological traits such as relative adipose tissue content and lean body mass were only slightly different in the studied groups. Moreover, Group 1 participants were on average 4.4 years older. Conclusions. In fencing, technical and tactical skills are the factors that significantly affect the result. These traits are develop with athletic experience, therefore the effect of age may bias the effect of somatic constitution on athletic performance.
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