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The Decline of Physical Activity with Age in School-Aged Children with Cerebral Palsy: A Single-Center
Jinuk Lee1, Min-Hwa Suk2, Soojin Yoo3
1Department of Physical & Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea.
Insights
Physical activity declines with age in children with cerebral palsy (CP). Promoting recreational opportunities is crucial for maintaining habitual physical activity (HPA) in all children with CP.
Area of Science:
- Pediatrics
- Sports Medicine
- Rehabilitation Science
Background:
- Maintaining physical activity is vital for children with cerebral palsy (CP).
- Understanding age-related changes in physical activity and fitness is essential for this population.
- The relationship between habitual physical activity (HPA) and cardiorespiratory fitness (CRF) in children with CP requires further clarification.
Purpose of the Study:
- To investigate if age predicts HPA or CRF in school-aged children with CP.
- To examine the association between HPA and CRF in this cohort.
- To identify factors influencing physical activity levels in children with CP.
Main Methods:
- Cross-sectional study of 39 school-aged children with CP (mean age 7.44 years).
- Habitual physical activity (HPA) measured using accelerometers for five days.
- Cardiorespiratory fitness (CRF) assessed via modified Naughton protocol on a treadmill.
- Statistical analyses included linear regression and correlation.
Main Results:
- Age was positively associated with sedentary physical activity (%SPA).
- Moderate-to-vigorous physical activity (%MVPA) showed a negative correlation with resting heart rate (HR).
- Activity counts were negatively correlated with resting HR, indicating potential fitness benefits.
- A significant negative association was found between HPA and age.
Conclusions:
- Habitual physical activity (HPA) tends to decrease with age in school-aged children with cerebral palsy (CP).
- Cardiorespiratory fitness indicators like resting heart rate are associated with physical activity levels.
- There is a need for enhanced recreational programs to support physical activity in children with CP across all age groups.
Abstract:
Maintaining physical activity is important for children with cerebral palsy (CP). This study examined whether age predicted habitual physical activity (HPA) or cardiorespiratory fitness (CRF) in school-aged children with CP and clarified the relationship between HPA and CRF. We utilized cross-sectional data from 39 children with CP (18 girls and 21 boys; mean age 7.44 years; mean body weight 24.76 kg; mean body mass index 15.97 kg/m2; hemiplegic or diplegic CP). The participants wore an accelerometer (ActiGraph) for five days to measure HPA, physical activity energy expenditure (kcal/kg/d), sedentary physical activity (%SPA), light physical activity, moderate-to-vigorous physical activity (%MVPA), and activity counts (counts/min). Participants underwent cardiopulmonary exercise tests on a treadmill using a modified Naughton protocol. Linear regression and correlation analyses were performed. p-value (two-tailed) < 0.05 was considered statistically significant. Age was positively associated with SPA. MVPA negatively correlated with resting heart rate (HR), and activity counts were negatively correlated with resting HR. In conclusion, our study found strong evidence of a negative association between HPA and age in school-aged children with CP. It highlights the importance of creating and improving recreational opportunities that promote physical activity in all children with CP, regardless of whether they are considered therapeutic.
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