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Validity of body fat percentage through different methods of body composition assessment in elite soccer referees / Validação do percentual de gordura de árbitros de futebol de elite por diferentes métodos de composição corporal
Schlösser, Larissa; Delgado, Fernanda Schmitz Goulart; Silva, Larissa Vieira da; Copetti, Cândice Laís Knöner; Pietro, Patricia Faria Di; Hinnig, Patrícia de Fragas; Carvalho, Jolmerson de; Moreno, Yara Maria Franco; Hansen, Fernanda.
  • Schlösser, Larissa; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Delgado, Fernanda Schmitz Goulart; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Silva, Larissa Vieira da; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Copetti, Cândice Laís Knöner; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Pietro, Patricia Faria Di; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Hinnig, Patrícia de Fragas; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Carvalho, Jolmerson de; Federal University of Santa Catarina. Sports Center. Florianópolis. BR
  • Moreno, Yara Maria Franco; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
  • Hansen, Fernanda; Federal University of Santa Catarina. Health Sciences Center. Department of Nutrition. Florianópolis. BR
Rev. bras. cineantropom. desempenho hum ; 24: e84121, 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1407276
ABSTRACT
abstract The arbitration exercise in a soccer game requires high physical fitness and all federations apply physical tests to referees, including anthropometric tests, classifying them as fit or not for the role. The aim of this study was to assess the validity of the total body fat percentage (%BF) through different evaluation methods of body composition referenced in a four-compartment (4C) model. Cross-sectional study performed in 2018 with 21 elite male referees. %BF was estimated by 4 methods: anthropometry; bioelectrical impedance analysis (BIA); Dual X-ray absorptiometry (DXA) and air displacement plethysmography (ADP). Moreover, three and four-compartment (3 and 4C) models were calculated. Bland-Altman and intraclass correlations (ICC) analysis were performed to determine validity of all methods compared to a 4C reference. The results of one-way ANOVA revealed that there was no significant difference (F=1.541; p=0.182) between %BF analyzed by 4C model (15.98 ± 6.20), anthropometry (mean ± SD, 18.46 ± 7.03), ADP (16.19 ± 6.24), BIA (16.67 ± 5.30), DXA (20.33 ± 6.56) and 3C (16.92 ± 5.53). The Bland-Altman analysis showed that all methods analyzed overestimate %BF compared to the 4C model. The best agreement was obtained from the ADP evaluation (bias=-0.2), followed by BIA (bias=-0.6), 3C (bias=-0.9), anthropometry (bias=-2.4) and DXA (bias=-4.3). Validation assessed by ICC was excellent (ICC≥0.90) in most methods, except for anthropometry (ICC=0.80) and DXA (ICC=0.71). Overall, the results suggest that ADP, BIA and 3C were the best method to %BF evaluation. Nevertheless, anthropometry remains as a feasible method to monitor %BF of elite soccer referees.
RESUMO
resumo A arbitragem no futebol exige alto preparo físico. As federações aplicam testes antropométricos para classificar os árbitros como aptos ou não para a função. O presente trabalho teve como objetivo avaliar a validade do percentual de gordura corporal (%GC) aferido por meio de diferentes métodos de avaliação referenciado em um modelo de quatro compartimentos (4C). O %GC foi estimado por seis métodos: antropometria; bioimpedância elétrica (BIA); absortometria dupla de raios-X (DXA); pletismografia por deslocamento de ar (ADP); modelo de três e quatro compartimentos (3 e 4C). Bland-Altman e correlações intraclasse (ICC) foram realizadas para determinar a validade de todos os métodos em comparação com o modelo de referência 4C. Os resultados da ANOVA revelaram que não houve diferença significativa (F = 1,541; p = 0,182) entre o %GC analisado pelo modelo 4C (15,98 ± 6,20), antropometria (média ± DP, 18,46 ± 7,03), ADP (16,19 ± 6,24), BIA (16,67 ± 5,30), DXA (20,33 ± 6,56) e 3C (16,92 ± 5,53). Segundo Bland-Altman todos os métodos ​​superestimam o %GC em comparação com o 4C. A melhor concordância foi obtida na ADP (viés= -0,2), seguida da BIA (bias = -0,6), 3C (viés = -0,9), antropometria (viés = -2,4) e DXA (viés = -4,3). O ICC foi excelente (ICC≥0,90) na maioria dos métodos, exceto para antropometria (ICC = 0,80) e DXA (ICC = 0,71). Os resultados sugerem que ADP, BIA e 3C foram os melhores métodos para avaliação do %GC. No entanto, a antropometria continua sendo um método válido para monitorar o %GC.


Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2022 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Federal University of Santa Catarina/BR

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Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Rev. bras. cineantropom. desempenho hum Journal subject: Physical Education / Sports Medicine / MEDICINA FISICA E REABILITACAO Year: 2022 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Federal University of Santa Catarina/BR