Short-Term Effects of Targeted Movement Training on Gait Kinematics in Children with Juvenile Idiopathic Arthritis: A

Sibel Özbal1, Asya Albayrak2, Asena Yekdaneh3

  • 1Department of Biomedical Engineering, Graduate School of Natural and Applied Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul 34752, Turkey.

Insights

A single movement training session improved gait biomechanics in children with juvenile idiopathic arthritis (JIA). This intervention enhanced trunk control and lower-limb movement, offering immediate benefits for functional mobility.

Area of Science:

  • Pediatric Rehabilitation
  • Biomechanical Analysis
  • Movement Science

Background:

  • Children with juvenile idiopathic arthritis (JIA) experience gait issues, postural instability, and altered movement patterns due to pain and inflammation.
  • These gait abnormalities significantly impair functional mobility and movement efficiency in affected children.
  • Limited objective data exists on the short-term biomechanical effects of gait retraining interventions for JIA.

Purpose of the Study:

  • To assess the immediate biomechanical effects of a single-session standardized movement training program on the gait of children with JIA.
  • To investigate improvements in gait parameters such as step symmetry, stride length, and trunk posture.
  • To evaluate the utility of wearable motion capture systems in detecting short-term gait adaptations.

Main Methods:

  • Seventeen children with JIA participated in pre-post gait assessments using the Xsens MVN Awinda wearable motion capture system.
  • A standardized movement training protocol focused on improving step symmetry, stride length, heel-toe progression, and upright trunk posture.
  • Kinematic data were analyzed using paired statistical tests and compared to healthy reference data.

Main Results:

  • Significant reductions in trunk lateral lean (p = 0.0002) and improvements in ankle (p = 0.0081) and knee (p = 0.0252) kinematics were observed.
  • Waveform analysis indicated increased similarity to healthy gait patterns, particularly in trunk and knee movements.
  • Spatiotemporal analysis revealed a slower, more controlled gait with increased stride time and stance duration.

Conclusions:

  • A single session of standardized movement training can yield immediate improvements in gait biomechanics for children with JIA.
  • The intervention notably enhanced trunk control and lower-limb kinematics, suggesting benefits for postural stability and movement efficiency.
  • Wearable motion analysis is a sensitive tool for capturing these short-term adaptations, supporting its role in JIA rehabilitation.

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