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Cardiopulmonary fitness and endurance in children with developmental coordination disorder
Sheng K Wu1, Hsiao-Hui Lin, Yao-Chuen Li
1Institute of Sport Performance, National Taiwan College of Physical Education, Taiwan.
Insights
Children with developmental coordination disorder (DCD) exhibit poorer cardiopulmonary fitness and endurance compared to their typically developing peers. This impacts their aerobic capacity and running performance, highlighting a need for targeted interventions.
Area of Science:
- Pediatric Exercise Science
- Developmental Pediatrics
- Motor Control and Learning
Background:
- Children with Developmental Coordination Disorder (DCD) often face challenges beyond motor skills.
- Understanding their cardiopulmonary fitness is crucial for a holistic view of their health and development.
Purpose of the Study:
- To compare cardiopulmonary fitness and endurance between 9-11-year-old children with and without DCD in Taiwan.
- To investigate the relationship between motor abilities and cardiopulmonary function in this age group.
Main Methods:
- Utilized the Movement ABC test to assess motor abilities.
- Recruited 41 participants (20 with DCD, 21 typically developing).
- Administered the 800-m run test and peak oxygen consumption (peak VO2) test via the Bruce treadmill protocol.
Main Results:
- No significant differences in age, anthropometrics (height, weight, BMI, body fat %) were observed between groups.
- Children with DCD demonstrated significantly lower peak VO2 values.
- Children with DCD exhibited slower 800-m run times, indicating reduced endurance.
Conclusions:
- Cardiopulmonary endurance is significantly impaired in children with DCD compared to typically developing peers.
- Lower aerobic capacity (peak VO2) and slower running performance are key indicators of this deficit.
- Findings suggest a need for interventions addressing cardiopulmonary fitness in children with DCD.
Abstract:
The purpose of this study was to compare cardiopulmonary fitness and endurance in 9-11-year-old children with DCD against a group of typically developing children in Taiwan. The Movement ABC test was used to evaluate the motor abilities of children. Forty-one participants (20 children with DCD and 21 children without DCD) were recruited for this study. The cardiopulmonary tests included the 800-m run test and the peak oxygen consumption (peak VO(2)) test using the Bruce treadmill protocol. No significant differences in age, body height, body weight, body mass index, and percentage of body fat between children with DCD and without DCD were found. However, there were significant differences in the cardiopulmonary endurance tests between children with DCD and without DCD. Children with DCD had significantly lower peak VO(2) results than children without DCD. In addition, children with DCD ran 800 m in a slower time than children without DCD. A significant negative correlation (r=-0.437) was found between the peak VO(2) results and time to completion for the 800-m run test. Based on the results, cardiopulmonary endurance in children with DCD was worse than that of children without DCD. Due to the small sample size in this study, the results may not be a direct reflection of the entire population.
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