Abstract
The purpose of this study were: a) to classify young athletes in three different groups (better, medium and worse), considering kinanthropometry variables. b) Compare the classification obtained between this statistical procedure and coaches’ opinion. Sample was composed by 405 young male athletes from 11 to 15 years old, divided in five age groups. Physical fitness tests and anthropometric variables were measured. In data analysis the cluster analysis was used through the k-means procedure. The coaches of the different modalities agreed in 63,5% (handball), 65,2% (soccer), 74,7% (canoeing) with the classification accomplished by the multivariate statistical model. The statistical procedure of cluster analysis can be used in sport practice, in the process of evaluation of the development of physical fitness, physical growth and young athletes' corporal composition involved in TLP.
Highlights
The purpose of this study were: a) to classify young athletes in three different groups, considering kinanthropometry variables. b) Compare the classification obtained between this statistical procedure and coaches’ opinion
In data analysis the cluster analysis was used through the k-means procedure
The statistical procedure of cluster analysis can be used in sport practice, in the process of evaluation of the development of physical fitness, physical growth and young athletes' corporal composition involved in treinamento a longo prazo (TLP)
Summary
RESUMO Os objetivos deste estudo foram: a) classificar jovens atletas em três grupos distintos (melhores, médios e piores), considerando as variáveis cineantropométricas; e b) comparar a classificação obtida com a opinião dos técnicos. Desta forma, é necessário investigar qual a importância dos fatores cineatropométricos no desempenho esportivo dos jovens atletas e compará-los com a opinião dos profissionais (experts) envolvidos com treinamento a longo prazo, com o objetivo de compreender o processo de formação e seleção de jovens para o esporte. Levando em conta os fatores relacionados aos aspectos cineantropométricos e o processo de formação dos jovens atletas, este estudo teve por objetivos: a) classificar jovens atletas em três grupos distintos (acima da média, médios e abaixo da média), considerando-se conjuntamente variáveis cineantropométricas indicadoras de aptidão física e de antropometria; e b) comparar a classificação obtida com a opinião dos técnicos envolvidos no processo de treinamento a longo prazo. A idade decimal foi calculada com base na data de nascimento e no dia das medições antropométricas
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