Lower limb muscle fatigue during walking in children with cerebral palsy

Developmental Medicine and Child Neurology
Maaike M EkenKarin Roeleveld

Abstract

To investigate whether more prominent signs of muscle fatigue occur during self-paced walking in children with cerebral palsy (CP) compared to typically developing peers. In this case-control study, 13 children with CP (four males, nine females; mean age [SD] 11y 4mo [3y 8mo]; nine in Gross Motor Function Classification System [GMFCS] level I, three in GMFCS level II, and one in GMFCS level III) and 14 typically developing peers (nine males, five females; mean age [SD] 9y 10mo [1y 10mo]) walked 5 minutes overground at a self-selected walking speed. Electromyography (EMG) median frequency and root mean square (RMS) were identified per gait cycle from EMG recordings of the tibialis anterior, gastrocnemius medialis, soleus, rectus femoris, and semitendinosus. Rate of change in those variables was analysed using mixed linear model analyses. The decrease in EMG median frequency of gastrocnemius medialis and soleus and increase in EMG-RMS of tibialis anterior, gastrocnemius medialis, and soleus were significantly larger in the most affected leg of children with CP compared with typically developing peers. Increased selective muscle fatigue of the lower leg muscles was observed during self-paced walking in children with mild-to-modera...Continue Reading

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Citations

Sep 25, 2018·Developmental Medicine and Child Neurology·Sébastien RatelPascale Duché
Jan 29, 2020·Developmental Medicine and Child Neurology·Josephine S MichelsenJakob Lorentzen
Feb 12, 2020·Physiotherapy Theory and Practice·Alberto Fidalgo-HerreraMaria Carratalá-Tejada
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Feb 16, 2021·American Journal of Physical Medicine & Rehabilitation·Audrey ParentLaurent Ballaz

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