Wartenberg pendulum test: objective quantification of muscle tone in children with spastic diplegia undergoing selective dorsal rhizotomy.

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Abstract

The aim of this study was to investigate the reliability and sensitivity of the Wartenberg pendulum test for quantification of muscle tone in young children with spastic diplegia undergoing selective dorsal rhizotomy (SDR). Fourteen nondisabled children (mean age of 5.5 years, age range 2.3 to 8.8 years, one female and one male in each year) were tested twice. Twenty children with spastic diplegia (12 males, eight females; mean age of 4.3 years, age range 2.5 to 6.3 years) consecutively selected for SDR, were assessed before and 6 months after SDR. Parameters of the pendulum test: R2, R1, maximal velocity, and swing time were correlated with clinical assessments for spasticity (modified Ashworth scale, quadriceps reflex) and measurements of gross motor function: the Gross Motor Function Classification System and the Gross Motor Function Measure. The Wartenberg pendulum test was found to be an objective and sensitive method for quantifying spasticity in knee extensor muscles in children as young as 2.5 years old. The method was responsive to changes after SDR. The only correlation with clinical measurements of spasticity was between the R2 ratio and the quadriceps reflex. Swing time was the most reliable and sensitive variable; it showed a weak correlation with measurements for gross motor function.

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Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Neurology

Keywords

  • Preschool, Diagnostic Techniques, Neurological, Female, Ganglia, Spinal/surgery, Human, Infant, Knee Joint/*physiology, Male, Movement, Muscle, Skeletal/physiology, Reproducibility of Results, Predictive Value of Tests, Sensitivity and Specificity, *Rhizotomy, Child, Support, Non-U.S. Gov't, Treatment Outcome, Cerebral Palsy/classification/pathology/*surgery
Original languageEnglish
Pages (from-to)26-33
JournalDevelopmental Medicine & Child Neurology
Volume44
Issue number1
Publication statusPublished - 2002
Publication categoryResearch
Peer-reviewedYes

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Clinical Neurophysiology (013013001), Division of Physiotherapy (Closed 2012) (013042000)

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