Waist circumference as a mediator of biological maturation effect on the motor coordination in children

Luz, Leonardo G. O.; Seabra, André; Padez, Cristina; Duarte, João P.; Rebelo‐Gonçalves, Ricardo; Valente‐dos‐Santos, João; Luz, Tatiana Durão D`Ávila; Carmo, Bruno Cleiton Macedo do; Coelho‐e‐Silva, Manuel J.

doi:10.1016/j.rppede.2016.02.004

Cited by 10 publications

(18 citation statements)

References 23 publications

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“…The predicted mature stature (PMS) was the maturational indicator used to classify the judokas according to the maturational state. It has been used in investigations about the biological maturation effect on physical fitness of young people in general [38,41,42], in research focusing on youth performance in sport [43,44] and as a criterion for bio-banding in experimental training and tournaments [15][16][17] due to the advantages it presents compared to more valid but invasive indicators [45][46][47]. The PMS was calculated by the Khamis-Roche method [14].…”

Section: Methodsmentioning

confidence: 99%

“…In this sense, among possible research designs, mediation studies can be used to understand which characteristics associated with body growth and biological maturation most strongly affect the physical performance of young athletes. Mediation analysis has recently been used in studies with children to evaluate the effect of biological maturation on motor competence performance through the mediation of anthropometric characteristics [37,38]. Therefore, the purposes of this study were: (1) to investigate whether there is an effect of biological maturation on the performance of young judo athletes after controlling chronological age and body mass; and (2) in the situation where the maturation effect is evidenced, to investigate anthropometric variables that can mediate this effect.…”

Section: Introductionmentioning

confidence: 99%

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

Giudicelli

Luz

Söğüt

et al. 2020

IJERPH

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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.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Giudicelli

Luz

Söğüt

et al. 2020

IJERPH

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“…Finally, linear regression models adjusted for chronological age, were performed with the aim of examining how much of the relationship between maturation status and KTK performance was mediated by anthropometric characteristics [22]. The procedures suggested by Baron and Kenny [22], as well as the criteria adopted to establish the mediating effect of some variable, are described in previous studies [13,23]. Significance of p < 0.05 was adopted in analyzes performed.…”

Section: Discussionmentioning

confidence: 99%

“…In this context, Luz et al [13], in a study conducted with prepubescent boys, through correlations and mediation analysis, found an inverse association between the maturational state and the walking backward task of the KTK, with a total mediation of 77% of waist circumference. However, there appears to be a gap in the literature for approaches of this type with individuals at puberty.…”

Section: Introductionmentioning

confidence: 99%

Effect of biological maturation on gross motor coordination in boys: a mediation analysis

et al. 2020

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Introduction: The literature emphasizes the importance of acquiring good motor coordination in the early years of life and its relationship with physical fitness and physical activity during adolescence and adulthood. Objective: To analyze the effect of biological maturation on the motor coordination in boys. Method: The sample was composed by 203 boys between 11 and 14 years old. Height, body mass, sitting height, waist circumference (WC) and skinfolds were measured. Somatic maturation (SM) was assessed by maturity offset (estimated age at peak height velocity). The gross motor coordination was evaluated by Körperkoordinationstest für Kinder (KTK) battery. Results: The SM exerted an effect on the walking backward on balance beams (WB) mediated by the WC. Conclusion: The results showed that the performance of boys in the WB was negatively influenced by the greater volume of fat in the trunk related to a more advanced state of SM.

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“…Finally, the mediation was confirmed in accordance with Sobel. 21 Further details on the Baron and Kenny and Sobel procedures can be found in Luz et al 22 Significance of p<0.05 was adopted in the analyses. IBM SPSS 22.0 software (SPSS, Inc., Chicago, IL) was used in the study.…”

Section: Discussionmentioning

confidence: 99%

Biological Maturation and Muscular Strength: Mediation Analysis in Prepubescent Girls

Luz

Valente‐dos‐Santos

et al. 2018

Rev Bras Med Esporte

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Introduction: Biological maturation has been related to the level of physical activity and motor competence of children. Objectives: This study aimed to: 1) analyze the association between biological maturation and performance in muscular strength tests and 2) examine whether the relationship between maturation and performance in physical tests is mediated by anthropometric variables. Method: The sample was composed of 71 eight-year-old Brazilian girls. Anthropometry considered stature, body mass, waist circumference, estimated fat mass and fat-free mass. Biological maturation was assessed based on the percentage of predicted adult stature. The physical tests consisted of 2-kg medicine ball throw, handgrip strength, sit-ups and standing long jump. Pearson’s correlation test was conducted between the study variables and the last stage consisted of a causal mediation analysis. Results: Biological maturation was significantly associated with the 2-kg medicine ball throw (r=0.52) and handgrip strength (r=0.42) tests. In the 2-kg medicine ball throw, the relationship with maturation was mediated by body mass (total mediation, Sobel’s Test = 2.214, p<0.05) and by estimated lean mass (total mediation; Sobel’s Test = 3.146, p<0.001). In the handgrip strength test, body mass was the only mediating variable (total mediation; Sobel’s Test = 2.251, p<0.05). Conclusions: Advanced maturational status appears to contribute to the performance of prepubescent girls in muscular strength tests in which there is no translocation of total or partial body mass. It is recommended that studies be conducted in other age groups. Level of Evidence III; Study of nonconsecutive patients; without consistently applied reference ‘‘gold’’ standard.

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Waist circumference as a mediator of biological maturation effect on the motor coordination in children

Cited by 10 publications

References 23 publications

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

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

Effect of biological maturation on gross motor coordination in boys: a mediation analysis

Biological Maturation and Muscular Strength: Mediation Analysis in Prepubescent Girls

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