Modification of the ICARE system for pediatric therapy

Carl A. Nelson, Cale J. Stolle, Judith M. Burnfield, Thad W. Buster

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Effective gait therapy is critical to children who have difficulty walking due to developmental, neurologic, or orthopedic conditions. Current gait training technologies can be cost prohibitive and often do not address the needs of children of varying sizes. In addition, clinicians often need to provide significant physical assistance to children with profound weakness. Based on the success of an elliptical-based adult-sized intelligently controlled assistive rehabilitation elliptical (ICARE) system for gait training, a modified technology was proposed to address the needs of younger/smaller children. The new design relied on a screw-and-slider joint to adjust the effective length of the crank link in the elliptical mechanism, reducing the step length and stride height simultaneously. The new trajectories of the foot pedal were normalized against stride length and showed nearly identical trajectories between pediatric strides and adult strides. Simulation results and human usability studies verified that the design was feasible.

Original languageEnglish (US)
Article number041010
JournalJournal of Medical Devices, Transactions of the ASME
Volume9
Issue number4
DOIs
StatePublished - Jan 1 2015

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Biomedical Engineering

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