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Dev Med Child Neurol. 2012 Jul;54(7):654-61. doi: 10.1111/j.1469-8749.2012.04321.x. Epub 2012 May 14.

The PEDALS stationary cycling intervention and health-related quality of life in children with cerebral palsy: a randomized controlled trial.

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Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, CA, USA.



The aim of this study was to assess health-related quality of life (HRQOL) following a stationary cycling intervention in children with cerebral palsy (CP).


This was a phase I multisite randomized controlled trial with single blinding. HRQOL was evaluated using the Pediatric Quality of Life Inventory SF15 (PedsQL; children) and Pediatric Outcomes Data Collection Instrument (PODCI; parent proxy) before and after a 3-month stationary cycling intervention. Sixty-two children (29 male, 33 female; mean age 11y; range 7-18y) with spastic diplegic CP, classified as levels I to III on the Gross Motor Function Classification System, were enrolled. Paired and independent t-tests were used to evaluate within- and between-group differences respectively.


Between-group differences, favoring the cycling group, were found for PedsQL emotional functioning (p=0.046) and Parental PODCI treatment expectations scores (p=0.006). Between-group differences were not found for other scales. Within-group improvements were found in the cycling group: PedsQL total score (+5.8; p=0.006), psychosocial health summary (+6.9; p=0.008), and school functioning (+8.0; p=0.038). PODCI satisfaction with symptoms decreased significantly only in the control group (-12.0; p=0.046).


A beneficial influence of exercise on pediatric emotional well-being and parental treatment expectations was found. The evidence was not strong for other aspects of HRQOL. Results support the positive relationship between physical fitness and emotional well-being in the general population. A child's perception is important when examining change in his or her emotional well-being due to intervention.


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