Age-related kinetic changes in normal pediatrics

T Cupp1, D Oeffinger, C Tylkowski

  • 1Shriners Hospitals for Children, Motion Analysis Laboratory, Lexington, Kentucky 40502, USA.

Insights

Children

Area of Science:

  • Biomechanics
  • Pediatric Gait Analysis

Background:

  • Kinetic data are crucial for interpreting gait in children with abnormalities.
  • A normative database is needed for clinical decision-making in pediatric gait analysis.

Purpose of the Study:

  • To establish normative kinetic gait data for children aged 4-10 years.
  • To compare pediatric gait kinetics with adult normative data.

Main Methods:

  • Gait analysis was performed on 23 able-bodied children (4-10 years) and five adults.
  • Kinetic data, including joint moments and power generation, were collected and analyzed.

Main Results:

  • Children exhibited five significant kinetic differences compared to adults: diminished hip-abduction moment, plantar-flexion moment, knee-extensor moment, A2 power generation, and altered knee-power patterns.
  • These differences were more pronounced in younger children (4-5 years) and decreased with age, showing a progression towards adult patterns.

Conclusions:

  • Pediatric gait kinetics differ significantly from adult patterns.
  • Age-related progression in kinetic gait patterns exists in children, moving towards adult norms.

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