Aptidão física em crianças com provável transtorno do desenvolvimento da coordenação e índice de massa corporal normal

Cynthia Yukiko Hiraga,Marcela De Castro Ferracioli,Daniel Traina Gama,Paulo Ricardo Higassiaraguti Rocha,Ana Maria Pellegrini

doi:10.5007/1980-0037.2014v16n2p182

Cynthia Yukiko Hiraga, Marcela De Castro Ferracioli + Show 3 more

Open Access

https://doi.org/10.5007/1980-0037.2014v16n2p182

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Abstract

Changes in body mass index (BMI) due to various factors, such as a low level of physical activity, are often associated with poor physical fitness in children with probable developmental coordination disorder (pDCD). This study examined whether children with pDCD would show poorer performance in terms of physical fitness when compared with their typically developing (TD) peers. Thirty two children with pDCD and normal BMI and other 32 children with TD and normal BMI, matched by gender, age and BMI, performed the sit and reach, standing long jump, curl-up, modified pull-up and 9-min run tests. The children in the pDCD group showed lower explosive power, muscle strength and endurance, and cardiorespiratory fitness than children in the TD group. Overall, children with pDCD had lower levels of physical fitness, even with normal BMI.

Highlights

Developmental coordination disorder (DCD) is a clinical condition with unknown etiology characterized by low motor competence
The results of the present study indicated that children with probable developmental coordination disorder (pDCD) showed significantly poorer performance on physical fitness tests than their typically developing (TD) peers in the components of cardiorespiratory fitness, muscle strength and endurance, and explosive power
Among the variables accounting for the poor cardiorespiratory fitness of these children are the perceptions of the subjects’ own abilities in which children with pDCD do not feel physically as adequate compared with TD children[14]

Summary

Introduction

Developmental coordination disorder (DCD) is a clinical condition with unknown etiology characterized by low motor competence. According to the American Psychiatric Association[1], a small portion of children show difficulty performing simple daily motor actions at home and/or at school. Children with such a disorder, which becomes apparent during the course of development, have low motor competence when compared with children of the same age and gender who have typical motor development. A number of studies have shown that children with DCD show poor performance in health-related physical fitness components. Performance differences in physical fitness components between children with DCD and TD children were not confirmed in a sample with very young children at four to six years of age[6], and the distinction is still ambiguous for the flexibility component[11]

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