Wearable electromyography recordings during daily life activities in children with cerebral palsy
Michelsen, J. S., Lund, M. C., Alkjær, T., Finni, T., Nielsen, J. B., & Lorentzen, J. (2020). Wearable electromyography recordings during daily life activities in children with cerebral palsy. Developmental Medicine and Child Neurology, 62(6), 714-722. https://doi.org/10.1111/dmcn.14466
Published inDevelopmental Medicine and Child Neurology
© 2020 Mac Keith Press
Aim To test whether wearable textile electromyography (EMG) recording systems may detect differences in muscle activity levels during daily activities between children with cerebral palsy (CP) and age‐matched typically developing children. Method Wearable textile EMG recording systems were used to obtain leg muscle activity in 10 children with spastic CP (four females, six males; mean age 9y 6mo, standard deviation [SD] 2y 4mo, range: 6–13y; Gross Motor Function Classification System [GMFCS] level I and II) and 11 typically developing children (four females, seven males; mean age 9y 9mo, SD 1y 11mo, 7–12y) at rest and while performing seven daily activities. Results Children with CP showed significantly lower absolute EMG levels during maximal voluntary contractions (MVCs) of muscles on the most affected side as compared to the least affected side and to typically developing children. None of the typically developing children or children with CP showed detectable EMG activity in resting situations. EMG activity relative to MVC was greater in children with CP during walking, jumping, and kicking on the most affected side as compared to the least affected side and to typically developing children. Interpretation Wearable textile EMG recording systems may be used to determine differences in muscle activity during daily activities in children with CP. Children with CP showed reduced muscle activity during daily activities compared to their peers, but used a significantly larger part of their maximal voluntary muscle strength to perform these activities. ...
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- Liikuntatieteiden tiedekunta 
Additional information about fundingThis work was supported by grants from The Elsass Foundationand The Danish Medical Research Council.
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