Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes
Bioelectric Impedance Vector Analysis (BIVA) can be used to qualitatively compare individuals’ hydration and cell mass independently of predictive equations. This study aimed to analyze the efficiency of BIVA considering chronological age and handgrip strength in adolescent athletes. A total of 273...
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doaj-d19f683c2e184cf498bc61ec859377352021-06-30T23:19:28ZengMDPI AGInternational Journal of Environmental Research and Public Health1661-78271660-46012021-06-01186069606910.3390/ijerph18116069Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female AthletesMarcus Vinicius de Oliveira Cattem0Bruna Taranto Sinforoso1Francesco Campa2Josely Correa Koury3Department of Basic and Experimental Nutrition, Nutrition Institute, State University of Rio de Janeiro, Rio de Janeiro 20550-900, BrazilDepartment of Basic and Experimental Nutrition, Nutrition Institute, State University of Rio de Janeiro, Rio de Janeiro 20550-900, BrazilDepartment for Life Quality Studies, University of Bologna, 47921 Rimini, ItalyDepartment of Basic and Experimental Nutrition, Nutrition Institute, State University of Rio de Janeiro, Rio de Janeiro 20550-900, BrazilBioelectric Impedance Vector Analysis (BIVA) can be used to qualitatively compare individuals’ hydration and cell mass independently of predictive equations. This study aimed to analyze the efficiency of BIVA considering chronological age and handgrip strength in adolescent athletes. A total of 273 adolescents (male; 59%) engaged in different sports were evaluated. Bioelectrical impedance (Z), resistance (R), reactance (Xc), and phase angle (PhA) were obtained using a single-frequency bioelectrical impedance analyzer. Fat-free mass (FFM) and total body water were estimated using bioimpedance-based equations specific for adolescents. Female showed higher values of R (5.5%, <i>p</i> = 0.001), R/height (3.8%, <i>p</i> = 0.041), Z (5.3%, <i>p</i> = 0.001), and fat mass (53.9%, <i>p</i> = 0.001) than male adolescents. Male adolescents showed higher values of FFM (5.3%, <i>p</i> = 0.021) and PhA (3.1%, <i>p</i> = 0.033) than female adolescents. In both stratifications, adolescents (older > 13 years or stronger > median value) shifted to the left on the R-Xc graph, showing patterns of higher hydration and cell mass. The discrimination of subjects older than 13 years and having higher median of handgrip strength values was possibly due to maturity differences. This study showed that BIVA identified age and strength influence in vector displacement, assessing qualitative information and offering patterns of vector distribution in adolescent athletes.https://www.mdpi.com/1660-4601/18/11/6069adolescent athletesbody compositionBIVAconfidence ellipsesfat-free massR-Xc graph |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Marcus Vinicius de Oliveira Cattem Bruna Taranto Sinforoso Francesco Campa Josely Correa Koury |
spellingShingle |
Marcus Vinicius de Oliveira Cattem Bruna Taranto Sinforoso Francesco Campa Josely Correa Koury Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes International Journal of Environmental Research and Public Health adolescent athletes body composition BIVA confidence ellipses fat-free mass R-Xc graph |
author_facet |
Marcus Vinicius de Oliveira Cattem Bruna Taranto Sinforoso Francesco Campa Josely Correa Koury |
author_sort |
Marcus Vinicius de Oliveira Cattem |
title |
Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes |
title_short |
Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes |
title_full |
Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes |
title_fullStr |
Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes |
title_full_unstemmed |
Bioimpedance Vector Patterns according to Age and Handgrip Strength in Adolescent Male and Female Athletes |
title_sort |
bioimpedance vector patterns according to age and handgrip strength in adolescent male and female athletes |
publisher |
MDPI AG |
series |
International Journal of Environmental Research and Public Health |
issn |
1661-7827 1660-4601 |
publishDate |
2021-06-01 |
description |
Bioelectric Impedance Vector Analysis (BIVA) can be used to qualitatively compare individuals’ hydration and cell mass independently of predictive equations. This study aimed to analyze the efficiency of BIVA considering chronological age and handgrip strength in adolescent athletes. A total of 273 adolescents (male; 59%) engaged in different sports were evaluated. Bioelectrical impedance (Z), resistance (R), reactance (Xc), and phase angle (PhA) were obtained using a single-frequency bioelectrical impedance analyzer. Fat-free mass (FFM) and total body water were estimated using bioimpedance-based equations specific for adolescents. Female showed higher values of R (5.5%, <i>p</i> = 0.001), R/height (3.8%, <i>p</i> = 0.041), Z (5.3%, <i>p</i> = 0.001), and fat mass (53.9%, <i>p</i> = 0.001) than male adolescents. Male adolescents showed higher values of FFM (5.3%, <i>p</i> = 0.021) and PhA (3.1%, <i>p</i> = 0.033) than female adolescents. In both stratifications, adolescents (older > 13 years or stronger > median value) shifted to the left on the R-Xc graph, showing patterns of higher hydration and cell mass. The discrimination of subjects older than 13 years and having higher median of handgrip strength values was possibly due to maturity differences. This study showed that BIVA identified age and strength influence in vector displacement, assessing qualitative information and offering patterns of vector distribution in adolescent athletes. |
topic |
adolescent athletes body composition BIVA confidence ellipses fat-free mass R-Xc graph |
url |
https://www.mdpi.com/1660-4601/18/11/6069 |
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