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Health-related physical fitness children with severe and moderate developmental coordination disorder
Roseane O Nascimento1, Lúcio F Ferreira, Juliana B Goulardins
1University Nilton Lins, Manaus, AM, Brazil; Laboratory Motor of Behavior, Physical Education and Sport School of University of São Paulo, Brazil.
Insights
Children with developmental coordination disorder (DCD) and their peers show similar health-related physical fitness levels. However, many children, regardless of DCD status, exhibit poor strength and muscular endurance, highlighting a need for targeted interventions.
Area of Science:
- Pediatrics
- Child Development
- Sports Medicine
Background:
- Developmental Coordination Disorder (DCD) affects motor skills in children.
- Understanding the physical fitness of children with DCD is crucial for intervention strategies.
- Previous research has not extensively compared fitness levels across DCD severity in diverse populations.
Purpose of the Study:
- To compare health-related physical fitness in children with moderate (mDCD) and severe (sDCD) DCD against children without DCD (wDCD).
- To assess fitness components including body composition, muscle strength, endurance, flexibility, and cardiorespiratory resistance.
- To identify fitness levels based on the Fitnessgram criteria within these groups.
Main Methods:
- Study involved 63 children aged 6-10 years in Manaus, Brazil, diagnosed with DCD or without.
- Participants were divided into three groups: sDCD, mDCD, and wDCD (21 children per group).
- Health-related physical fitness was evaluated using the Fitnessgram assessment tool.
Main Results:
- No statistically significant differences in physical fitness components were found between the sDCD, mDCD, and wDCD groups.
- Less than half of all children, across all groups, met healthy fitness standards according to Fitnessgram criteria.
- All groups demonstrated unsatisfactory performance in the strength and muscular endurance components.
Conclusions:
- Children with and without DCD exhibit comparable, often suboptimal, health-related physical fitness.
- Poor strength and muscular endurance are prevalent issues in children, irrespective of DCD diagnosis.
- Further longitudinal research is recommended to track motor skill and fitness development in children with DCD.
Abstract:
The present study aims to examine physical fitness among children with developmental coordination disorder (DCD) with varying degrees of severity (moderate and severe - mDCD, sDCD), and a group of children without DCD (wDCD), in the city of Manaus, Brazil. Initially, 180 children aged 6-10 years old participated in this study. After being diagnosed according to the DSM-IV-TR, 63 children were then divided into three groups (21 in each group). Health-related physical fitness was measured by means of the Fitnessgram, which included several core components, namely, body composition, muscle strength and endurance, flexibility, and cardiorespiratory resistance. The results showed no statistically significant differences between both groups in any of the assessed components. However, when analyzing the results of each component according to the criteria of the Fitnessgram, we observed that, regardless of the classification group, less than half of the children achieved scores that, according to the motor tests, would classify them as having a healthy fitness. Children with sDCD, mDCD and wDCD presented similar levels of health-related physical fitness, with an unsatisfactory performance for the component strength and muscular endurance. We therefore emphasize the importance of further research in this area, more particularly when it comes to following the development of motor skills and physical fitness in children with DCD, as well as the observation of the interactions between these variables over time.
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