Title

Muscle strengthening is not effective in children with cerebral palsy: A systematic review

Publication Date

2009

Abstract

Question: Do strengthening interventions increase strength without increasing spasticity and improve activity, and is there any carryover after cessation in children and adolescents with cerebral palsy? Design: Systematic review with meta-analysis of randomised trials. Participants: Children with spastic cerebral palsy between school age and 20 years. Intervention: Strengthening interventions that involved repetitive, strong, or effortful muscle contractions and progressed as ability changed, such as biofeedback, electrical stimulation, and progressive resistance exercise. Outcome measures: Strength was measured as continuous measures of maximum voluntary force or torque production. Spasticity was measured as velocity-dependent resistance to passive stretch. Activity was measured as continuous measures, eg, 10-m Walk Test, or using scales eg, the Gross Motor Function Measure. Results: Six studies were identified and five had data that could be included in a metaanalysis. Strengthening interventions had no effect on strength (SMD 0.20, 95% CI −0.17 to 0.56), no effect on walking speed (MD 0.02 m/s, 95% CI −0.13 to 0.16), and had a small statistically-significant but not clinically-worthwhile effect on Gross Motor Function Measure (MD 2%, 95% CI 0 to 4). Only one study measured spasticity but did not report the between-group analysis. Conclusion: In children and adolescents with cerebral palsy who are walking, the current evidence suggests that strengthening interventions are neither effective nor worthwhile.

Document Type

Journal Article

Access Rights

ERA Access

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