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Motor functions assessment method based on energy changes in gait cycle.

Robert Michnik1, Katarzyna Nowakowska1, Jacek Jurkojć1

  • 1Department of Biomechatronics, Faculty of Biomedical Engineering, Silesian University of Technology, Zabrze, Poland.

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Summary

Energy expenditure changes offer an objective measure for assessing gait in children with cerebral palsy (CP) and other dysfunctions. This study compared energy expenditure with gait indices in healthy children and those with CP.

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Area of Science:

  • Biomechanics
  • Pediatric Gait Analysis
  • Neurological Rehabilitation

Background:

  • Cerebral palsy (CP) significantly impacts gait kinematics and energy expenditure.
  • Objective measures are needed to quantify gait deviations in children with CP.

Purpose of the Study:

  • To determine energy changes during the gait cycle in healthy children and those with CP.
  • To compare energy expenditure (EE) with the Gillette Gait Index (GGI) and Gait Deviation Index (GDI).

Main Methods:

  • Gait kinematics analyzed using BTS Smart System in 56 healthy children and 56 with CP.
  • Potential, kinetic, and total energy calculated and standardized.
  • GGI and GDI computed using specialized software.

Main Results:

  • Energy expenditure (EE) values were calculated and standardized for both groups.
  • GGI and GDI values were determined for all participants.
  • Spearman rank correlation analyzed the relationship between EE, GGI, and GDI.

Conclusions:

  • Energy expenditure changes serve as an objective tool for evaluating gait in children with neurological and orthopedic impairments.
  • EE provides a quantifiable metric for gait assessment in pediatric populations.