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      Efecto de la edad relativa en la élite del balonmano femenino español y su relación con aspectos antropométricos, de rendimiento y velocidad de lanzamiento Translated title: Efeito relativo da idade na élite do andebol feminino espanhol e sua relação com aspectos antropométricos, desempenho e velocidade de arremesso Translated title: Relative age effect in Spanish elite of female handball and its relationship with anthropometry, physical performance and throwing speed

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          Abstract

          RESUMEN El efecto de la edad relativa (RAE) es un aspecto de relevancia en el deporte en general y en balonmano en particular. Ha sido objeto de gran cantidad de estudios centrados mayoritariamente en deporte masculino. Los estudios sobre RAE en balonmano femenino, no son tan numerosos, y no aclaran el efecto de la misma en esta modalidad deportiva. Por ello, el objetivo de este estudio fue determinar la existencia de RAE en jugadoras de élite de balonmano, así como valorar dicho efecto en función de variables antropométricas, de condición física y técnico tácticas (velocidad de lanzamiento). Han sido evaluadas 136 jugadoras de balonmano de los ocho primeros equipos de división de honor. Se ha encontrado un RAE (con la prueba de chi-cuadrado) en las jugadoras de balonmano, sustentado por aquellas que formaron parte de los equipos nacionales. No se apreció RAE en las variables antropométricas, ni en las velocidades de lanzamiento con y sin interacción. La lateralidad y el Squat Jump, presentaron RAE. El RAE es importante para llegar a la selección, pero para jugar en la máxima categoría el efecto de la edad relativa no es tan importante. Son necesarios más estudios sobre el RAE en el balonmano femenino.

          Translated abstract

          RESUMO O efeito da idade relativa (RAE) é um aspecto de relevância no desporto em geral e no andebol em particular. Tem sido objeto de elevado número de estudos centrados em grande parte no andebol masculino. Os estudos sobre RAE no andebol feminino, não são tão numerosos, e não clarejam o efeito da mesma nesta modalidade esportiva. Por isso, o objetivo deste estudo foi determinar a existência do RAE em jogadoras de élite de andebol, assim como valorar este efeito em função das variáveis antropométricas, de condição física e técnico-táticas (velocidade de remate). Foram avaliadas 136 jogadoras de andebol das oito primeiras equipas da divisão de honra. Encontrou-se um RAE (foi usado o teste qui-quadrado) nas jogadoras de andebol sustentado pelas que participam nas seleções nacionais. Não se encontrou RAE nas variáveis antropométricas, nem na velocidade de remate com e sem interação. A lateralidade e o Squat Juam apresentaram RAE. O RAE é importante para chegar às seleções, mas para jogar na categoria máxima o RAE parece perder significado. São necessários mais estudos sobre o RAE no andebol feminino.

          Translated abstract

          ABSTRACT Relative age effect (RAE) is an aspect of relevance in sport in general and in handball in particular. It has been the subject of a great number of studies focused largely on men's sport. RAE studies in female handball are not so numerous, and do not clarify the effect of female handball on this sport. Therefore, the aim of this study was to establish the effect of RAE on élite handball players, as well as to assess this effect based on anthropometric variables, physical fitness and technical and tactical skills (throwing speed). 136 handball players from the first eight honour division teams have been assessed. RAE has been found (with chi-square test) in the handball players supported by those included in national teams. No RAE were found on anthropometric variables, nor on throwing speed with and without interaction. Laterality and Squat Juam presented RAE. RAE is important to reach the national team, but to play in the highest category the effect of relative age seems to lose weight Further studies on the effect of RAE on women's handball are needed.

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          A simple method for measurement of mechanical power in jumping

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            Total-body skeletal muscle mass: development and cross-validation of anthropometric prediction models.

            Skeletal muscle (SM) is a large body compartment of biological importance, but it remains difficult to quantify SM with affordable and practical methods that can be applied in clinical and field settings. The objective of this study was to develop and cross-validate anthropometric SM mass prediction models in healthy adults. SM mass, measured by using whole-body multislice magnetic resonance imaging, was set as the dependent variable in prediction models. Independent variables were organized into 2 separate formulas. One formula included mainly limb circumferences and skinfold thicknesses [model 1: height (in m) and skinfold-corrected upperarm, thigh, and calf girths (CAG, CTG, and CCG, respectively; in cm)]. The other formula included mainly body weight (in kg) and height (model 2). The models were developed and cross-validated in nonobese adults [body mass index (in kg/m(2)) < 30]. Two SM (in kg) models for nonobese subjects (n = 244) were developed as follows: SM = Ht x (0.00744 x CAG(2) + 0.00088 x CTG(2) + 0.00441 x CCG(2)) + 2.4 x sex - 0.048 x age + race + 7.8, where R:(2) = 0.91, P: < 0.0001, and SEE = 2.2 kg; sex = 0 for female and 1 for male, race = -2.0 for Asian, 1.1 for African American, and 0 for white and Hispanic, and SM = 0.244 x BW + 7.80 x Ht + 6.6 x sex - 0.098 x age + race - 3.3, where R:(2) = 0.86, P: < 0.0001, and SEE = 2.8 kg; sex = 0 for female and 1 for male, race = -1.2 for Asian, 1.4 for African American, and 0 for white and Hispanic. These 2 anthropometric prediction models, the first developed in vivo by using state-of-the-art body-composition methods, are likely to prove useful in clinical evaluations and field studies of SM mass in nonobese adults.
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              Eliminating the dichotomy between theory and practice in talent identification and development: considering the role of psychology.

              It is acknowledged that appropriate support and training are essential if talented individuals are to fulfil their potential. The early identification of talented athletes is an increasingly important consideration for researchers and practitioners alike. Once talented individuals have been detected, crucial but limited support resources can be optimally deployed to ensure that their needs are met and that their gifts are developed. However, there is considerable disagreement among experts on what talent is, and which factors can reliably be used within talent identification processes. This paper explores prerequisites to success in sport, and the comparative efficacy of employing these prerequisites within talent identification schemes. It is proposed that talent needs to be reconceptualized so that talent identification and talent development processes are perceived to be dynamic and interrelated. Additionally, the need to place greater emphasis on the capacity of a child to develop in sport and the psychological factors that underpin this process is highlighted. To this end, it is advocated that talent identification and development schemes, while emphasizing the multidimensional nature of talent, need to recognize the essential role of psychology in the ability of individuals to fulfil their sporting potential.
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                Author and article information

                Journal
                cpd
                Cuadernos de Psicología del Deporte
                CPD
                Universidad de Murcia (Murcia, Región de Murcia, Spain )
                1578-8423
                1989-5879
                August 2021
                : 21
                : 2
                : 213-226
                Affiliations
                [1] Madrid orgnameUniversidad de Alcalá de Henares orgdiv1Departamento de Ciencias Biomédicas Spain
                [2] Galicia orgnameUniversidade de Vigo orgdiv1Facultad de Educación y Ciencias del Deporte Spain
                [3] Galicia orgnameUniversidade da Coruña orgdiv1Grupo de Investigación en Ciencias del Deporte (INCIDE), orgdiv2Departamento de Educación Física y Deportiva Spain
                Article
                S1578-84232021000200018 S1578-8423(21)02100200018
                450b4b75-5954-4b0c-9bda-bf3e8abee5e4

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History
                : 27 July 2020
                : 02 February 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 59, Pages: 14
                Product

                SciELO Spain

                Categories
                Ciencias del Deporte

                antropometría,national team,throwing speed,anthropometric,performance,Relative age effect,seleção nacional,velocidade de lançamento,antropometria,rendimento,Efeito da idade relativa,selección nacional,velocidad de lanzamiento,rendimiento,Efecto de la edad relativa

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