Prediction of Somatotype from Bioimpedance Analysis in Elite Youth Soccer Players

Francesco Campa, Catarina N. Matias, Pantelis T. Nikolaidis, Henry Lukaski, Jacopo Talluri and Stefania Toselli
Additional contact information
Francesco Campa: Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
Catarina N. Matias: Faculdade de Educação Física e Desporto, Universidade Lusófona, 1749-024 Lisboa, Portugal
Pantelis T. Nikolaidis: School of Health and Caring Sciences, University of West Attica, 12243 Athens, Greece
Henry Lukaski: Department of Kinesiology and Public Health Education, Hyslop Sports Center, University of North Dakota, Grand Forks, ND 58202, USA
Jacopo Talluri: Department of clinical research and development, Akern Ltd., 56121 Pisa, Italy
Stefania Toselli: Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy

IJERPH, 2020, vol. 17, issue 21, 1-10

Abstract: The accurate body composition assessment comprises several variables, causing it to be a time consuming evaluation as well as requiring different and sometimes costly measurement instruments. The aim of this study was to develop new equations for the somatotype prediction, reducing the number of normal measurements required by the Heath and Carter approach. A group of 173 male soccer players (age, 13.6 ± 2.2 years, mean ± standard deviation; body mass index, BMI, 19.9 ± 2.5 kg/m 2 ), members of the academy of a professional Italian soccer team participating in the first division (Serie A), participated in this study. Bioelectrical impedance analysis (BIA) was performed using the single frequency of 50 kHz and fat-free mass (FFM) was calculated using a BIA specific, impedance based equation. Somatotype components were estimated according to the Heath-Carter method. The participants were randomly split into development ( n = 117) and validation groups ( n = 56). New anthropometric and BIA based models were developed (endomorphy = −1.953 − 0.011 × stature 2 /resistance + 0.135 × BMI + 0.232 × triceps skinfold, R 2 = 0.86, SEE = 0.28; mesomorphy = 6.848 + 0.138 × phase angle + 0.232 × contracted arm circumference + 0.166 × calf circumference − 0.093 × stature, R 2 = 0.87, SEE = 0.40; ectomorphy = −5.592 − 38.237 × FFM/stature + 0.123 × stature, R 2 = 0.86, SEE = 0.37). Cross validation revealed R 2 of 0.84, 0.80, and 0.87 for endomorphy, mesomorphy, and ectomorphy, respectively. The new proposed equations allow for the integration of the somatotype assessment into BIA, reducing the number of collected measurements, the instruments used, and the time normally required to obtain a complete body composition analysis.

Keywords: anthropometry; BIA; body composition; football; predictive equation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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