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Updated: Jun 18, 2026

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Clinical Efficacy of an Innovative Multidimensional Traction Therapy in Moderate Adolescent Idiopathic Scoliosis
Published on: February 10, 2026
Using a bi-planar postural stability model to assess children with scoliosis
K D Bustamante Valles1, J T Long, S A Riedel
1Orthopaedic and Rehabilitation Engineering Center, O.R.E.C., Milwaukee, WI, USA.
Summary
Children with idiopathic scoliosis exhibit altered postural stability, as shown by a sway model accurately reflecting center of pressure data. This research is key to understanding scoliosis impacts on physical function.
Area of Science:
- Biomechanical Engineering
- Pediatric Orthopedics
- Rehabilitation Science
Background:
- Idiopathic scoliosis significantly impacts spinal alignment and potentially affects overall physical function.
- Assessing postural stability is crucial for understanding the functional deficits associated with pediatric spinal deformities.
Purpose of the Study:
- To investigate and quantify the postural stability differences between children with idiopathic scoliosis and typically developing children.
- To validate a computational model of body sway against experimental data in pediatric populations.
Main Methods:
- Utilized force plates (Advanced Medical Technology, Inc.) to collect center of pressure (COP) data during postural tasks.
- Developed and applied a biomechanical model of body sway, incorporating mediolateral (ML) and anteroposterior (AP) components.
- Compared model-derived sway metrics with experimental COP data from 16 children with scoliosis and 20 controls.
Main Results:
- The sway model successfully reproduced the experimental postural sway data in both idiopathic scoliosis and typically developing children.
- Quantified differences in postural stability metrics between the two groups, highlighting the impact of scoliosis.
- Established the model's capability to simulate clinical postural data.
Conclusions:
- The developed sway model is a valid tool for assessing postural stability in children with idiopathic scoliosis.
- This foundational research provides a basis for future studies on the long-term effects of scoliosis treatment on physical function.

