Changes in mobility and muscle function of children with cerebral palsy after gait training: A pilot study

Amy K. Hegarty, Max J. Kurz, Wayne Stuberg, Anne K. Silverman

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

The goal of this pilot study was to characterize the effects of gait training on the capacity of muscles to produce body accelerations and relate these changes to mobility improvements seen in children with cerebral palsy (CP). Five children (14 years ± 3 y; GMFCS I-II) with spastic diplegic CP participated in a 6-week gait training program. Changes in 10-m fast-as-possible walking speed and 6-minute walking endurance were used to assess changes in mobility. In addition, musculoskeletal modeling was used to determine the potential of lower-limb muscles to accelerate the body's center of mass vertically and forward during stance. The mobility changes after the training were mixed, with some children demonstrating vast improvements, while others appeared to be minimal. However, the musculoskeletal results revealed unique responses for each child. The most common changes occurred in the capacity for the hip and knee extensors to produce body support and the hip fexors to produce body propulsion. These results cannot yet be generalized to the broad population of children with CP, but demonstrate that therapy protocols may be enhanced by modeling analyses. The pilot study results provide motivation for gait training emphasizing upright leg posture, mediolateral balance, and ankle push-off.

Original languageEnglish (US)
Pages (from-to)469-486
Number of pages18
JournalJournal of applied biomechanics
Volume32
Issue number5
DOIs
StatePublished - Oct 2016

Keywords

  • Biomechanics
  • Muscle function
  • Musculoskeletal modeling
  • Physical therapy

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Rehabilitation

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