Physical activity of children with a mitochondrial disease compared to children who are healthy.

PURPOSE: To compare the physical activity of a group of children with mitochondrial myopathy (MM) with children who are healthy and to evaluate the suitability of different measurement tools. METHODS: The physical activity of 6 children with MM and 10 children who are healthy was measured using accelerometry, heart rate monitoring, video observation, rating of their fatigue, and 2 questionnaires about their physical activity and quality of life. RESULTS: The children with MM spent less time in moderate to vigorous activity, and their activity level measured with the accelerometer was lower than the children who are healthy. Also, the children with MM indicated a higher level of fatigue and a lower quality of life. CONCLUSIONS: Children with MM are on average less physically active, report a higher level of fatigue, and a lower quality of life than children who are healthy.

The use of video clips in teleconsultation for preschool children with movement disorders.

PURPOSE: To investigate the reliability and validity of video clips in assessing movement disorders in preschool children. METHODS: The study group included 27 children with neuromotor concerns. The explorative validity group included children with motor problems (n = 21) or with typical development (n = 9). Hempel screening was used for live observation of the child, full recording, and short video clips. The explorative study tested the validity of the clinical classifications "typical" or "suspect." RESULTS: Agreement between live observation and the full recording was almost perfect; Agreement for the clinical classification "typical" or "suspect" was substantial. Agreement between the full recording and short video clips was substantial to moderate. The explorative validity study, based on short video clips and the presence of a neuromotor developmental disorder, showed substantial agreement. CONCLUSION: Hempel screening enables reliable and valid observation of video clips, but further research is necessary to demonstrate the predictive value.

Changes in endurance and walking ability through functional physical training in children with cerebral palsy.

PURPOSE: To investigate the feasibility and effect of a functional physical training program on aerobic endurance and walking ability of children with cerebral palsy. METHODS: Thirteen children (8-13 years, Gross Motor Function Classification System level I or II, with normal intelligence or mild retardation) participated in this study. A functional physical training program addressing aerobic endurance, walking distance, walking velocity, and ambulation, consisted of a circuit with 4 stations and lasted 30 minutes twice weekly for 9 weeks. The Bruce, 6-minute-run test, Timed Up and Down Stairs Test, and Ambulation Questionnaire were administered 2 weeks before the start, immediately after, and 11 weeks after the intervention. RESULTS: Significant improvement in aerobic endurance, walking distance, and ambulation were observed immediately after the intervention. Maximum treadmill time had improved significantly at 11 weeks. CONCLUSION: A functional physical training improves the aerobic endurance and the functional walking ability of children with cerebral palsy.