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Comparison of Trunk Motion between Moderate AIS and Healthy Children
Lucas Struber1, Vincent Nougier1, Jacques Griffet2
1TIMC, University Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, CHU Grenoble Alpes, 38000 Grenoble, France.
Children (Basel, Switzerland)
|May 28, 2022
Summary
Adolescent idiopathic scoliosis (AIS) patients exhibit distinct kinematic and postural differences compared to healthy individuals. These findings in early-stage AIS suggest similar dynamic behaviors across scoliosis types.
Area of Science:
- Biomechanical analysis
- Orthopedics
- Human movement science
Background:
- Adolescent idiopathic scoliosis (AIS) is a complex spinal deformity.
- Understanding the biomechanics of AIS is crucial for etiopathogenesis.
- Kinematic and postural analysis can reveal early signs of AIS.
Purpose of the Study:
- To investigate kinematic and postural differences in early AIS.
- To compare static and dynamic trunk movements between AIS patients and controls.
- To identify asymmetries in uniplanar trunk movements.
Main Methods:
- Utilized a 3D motion analysis system and a force plate.
- Assessed trunk kinematics and posture in static and dynamic tasks.
- Compared three groups: healthy girls, AIS girls with left lumbar curve, and AIS girls with right thoracic curve.
Main Results:
- Mild AIS patients showed static imbalance and reduced frontal plane range of motion.
- A different kinematic strategy was observed during lateral bending in AIS patients.
- Kinematic and postural differences were consistent across different scoliosis types.
Conclusions:
- Early AIS is characterized by significant kinematic and postural deviations.
- AIS patients demonstrate similar dynamic movement strategies regardless of curve type.
- These findings contribute to understanding AIS biomechanics and potential interventions.
