The effects of dual tasks on gait in children with cerebral palsy |
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| Institution: | 1. Willy Taillard Laboratory of Kinesiology, Geneva University Hospitals and University of Geneva, Geneva 1211, Switzerland;2. Laboratory of Movement Analysis and Measurement, EPFL, Lausanne 1015, Switzerland;3. Pediatric Neurology and Neurorehabilitation Unit, Department of Pediatrics, Lausanne University Hospital, Lausanne 1011, Switzerland;4. Pediatric Neurology Unit, Children’s Hospital, Geneva University Hospitals, Geneva 1211, Switzerland;5. Department of Neurology, Geneva University Hospitals and University of Geneva, Geneva 1211, Switzerland;6. Department of Neurology, Division of Cognitive and Motor Aging, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY, USA;1. Victorian Infant Brain Studies, Clinical Sciences, Murdoch Children’s Research Institute, The Royal Children’s Hospital, Flemington Rd, Parkville, Melbourne 3052, Australia;2. Department of Physiotherapy, University of Melbourne, Parkville, Melbourne 3053, Australia;3. Neonatal Research, The Royal Women’s Hospital, Parkville, Melbourne 3052, Australia;4. Department of Rehabilitation Sciences, Princess Nourah bint Abdulrahman University, Riyadh 11564, Saudi Arabia;5. La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne 3086, Australia;6. Clinical Epidemiology and Biostatistics Unit, Murdoch Children’s Research Institute, Melbourne 3052, Australia;7. Department of Paediatrics, University of Melbourne, The Royal Children’s Hospital, Melbourne 3052, Australia;8. Neurodisability and Rehabilitation, Murdoch Children’s Research Institute, Melbourne 3052, Australia;9. Department of Obstetrics and Gynaecology, University of Melbourne, The Royal Women''s Hospital, Melbourne, Victoria 3052, Australia;1. Univ Grenoble Alpes, TIMC-IMAG, F-38000 Grenoble, France;2. CNRS, TIMC-IMAG, F-38000 Grenoble, France;1. Department of Physiotherapy, Monash University, Australia;2. Clinical Research Centre for Movement Disorders & Gait, Monash Health, Australia;3. Sunnaas Rehabilitation Hospital, Nesoddtangen, Norway,;4. University of Gothenburg, Institution of Neuroscience and Physiology, Rehabilitation Medicine, Gothenburg, Sweden;5. Physiotherapy, Melbourne School of Health Sciences, University of Melbourne, Australia;1. Laboratory of Fundamental and Applied Bioenergetics, Inserm U1055, University of Grenoble, Grenoble, France;2. University of Health Sciences, University of Applied Sciences and Arts Western, Lausanne, Switzerland;3. Institute of Sport Sciences University of Lausanne (ISSUL), University of Lausanne, Lausanne, Switzerland;4. Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland;5. Pediatric Neurology and Neurorehabilitation Unit, Lausanne University Hospital, Lausanne, Switzerland |
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| Abstract: | AimTo assess the gait and cognitive performances of children with cerebral palsy (CP) during dual tasks (DT) in comparison to typically developing (TD) children.MethodThis prospective, observational, case-control study included 18 children with CP (7 girls, 11 boys; median age 12 10:13] years and 19 controls (9 girls, 10 boys; median age 12 10:13y6mo] years). Performances were recorded during a simple walking task, 5 DT (walking + cognitive tasks with increasing cognitive load), and 5 simple cognitive tasks (while sitting). Gait parameters were computed using an optoelectronic system during walking tasks. Six parameters were selected for analysis by a principal component analysis. Cognitive performance was measured for each cognitive task. The dual-task cost (DTC) was calculated for each DT.ResultsGait performance decreased in both groups as DT cognitive load increased (e.g., walking speed normalized by leg length, in simple task: 1.25 1.15:1.46] s?1 for CP, 1.53 1.38:1.62] s?1 for TD; DT with highest load: 0.64 0.53:0.80] s?1 for CP, 0.95 0.75:1.08] s?1 for TD). The CP group performed significantly worse than TD group in every task (including the simple task), but DTC were similar in both groups. A task effect was found for the majority of the gait parameters.InterpretationThe reduced gait performance induced by DT may generate underestimated difficulties for children with CP in daily-life situations, where DT are common. This should be considered in clinical assessments. |
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| Keywords: | Dual tasks Cerebral palsy Gait Cognitive-motor interference |
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