Bio-Banding in Judo: The Mediation Role of Anthropometric Variables on the Maturation Effect

Bruno B. Giudicelli, Leonardo G. O. Luz, Mustafa Sogut, Alain G. Massart, Arnaldo C. Júnior and António J. Figueiredo
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Bruno B. Giudicelli: Kinanthropometry, Physical Activity and Health Promotion Laboratory (LACAPS), Campus Arapiraca, Federal University of Alagoas, Arapiraca 57309-005, Brazil
Leonardo G. O. Luz: Kinanthropometry, Physical Activity and Health Promotion Laboratory (LACAPS), Campus Arapiraca, Federal University of Alagoas, Arapiraca 57309-005, Brazil
Mustafa Sogut: Faculty of Sport Sciences, Kırıkkale University, Kırıkkale 71450, Turkey
Alain G. Massart: Research Unit for Sport and Physical Activity (CIDAF), Faculty of Sport Science and Physical Education, University of Coimbra, Coimbra 3004-531, Portugal
Arnaldo C. Júnior: Kinanthropometry, Physical Activity and Health Promotion Laboratory (LACAPS), Campus Arapiraca, Federal University of Alagoas, Arapiraca 57309-005, Brazil
António J. Figueiredo: Research Unit for Sport and Physical Activity (CIDAF), Faculty of Sport Science and Physical Education, University of Coimbra, Coimbra 3004-531, Portugal

IJERPH, 2020, vol. 17, issue 1, 1-11

Abstract: Young judo athletes are bio-banding based on age and body mass and compete in weight classes. The purposes of this study were to investigate the influences of maturation on physical performance in young judokas through controlling the chronological age and body mass, and to examine the mediating role of anthropometric variables. Sixty-seven judokas, aged 11.0–14.7, were measured for 11 anthropometric and seven physical performance variables. Pearson partial correlations were conducted to verify the relationship between the maturational indicator and the dependent variables. Mediation analyses were performed to identify the extent to which anthropometric variables mediate the relationship. The maturation effect remained on the aerobic capacity and handgrip strength ( p < 0.05). Fat mass ( b = 80.335, 95%CI 11.580–204.270) and fat-free mass ( b = 108.256, 95%CI 39.508–207.606) totally mediated the effect on aerobic capacity. Fat mass ( b = 0.023, 95%CI 0.004–0.057), fat-free mass ( b = 0.029, 95%CI 0.011–0.058), stature ( b = 0.031, 95%CI 0.008–0.061), arm span ( b = 0.021, 95%CI 0.003–0.044), and inferior members length ( b = 0.022, 95%CI 0.005–0.049) totally mediated the effect on handgrip strength. The effect of biological maturation is noticeable even after age and body mass control, being mediated by anthropometric variables related to body composition and size.

Keywords: biological maturation; bio-banding; judo; combat sports; rapid weight loss; mediation analysis (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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