Truncal changes in children with mild limb length inequality: a surface topography study
Theodoros B Grivas1, Konstantinos Angouris2, Michail Chandrinos1
11Orthopaedics and Traumatology Department, "Tzaneio" General Hospital of Piraeus, Piraeus, Greece.
Scoliosis and Spinal Disorders
|January 2, 2019
Summary
Mild Limb Length Inequality (LLI) in children significantly impacts pelvic rotation, tilt, and trunk posture. Shoe elevation is recommended for LLI correction to improve pelvic obliquity and spinal alignment.
Area of Science:
- Pediatric Orthopedics
- Biomechanical Analysis
- Spinal Health
Background:
- Limb Length Inequality (LLI) can affect posture, gait, and spinal parameters like scoliosis.
- Limited research exists on the effects of mild LLI on children's truncal and spinal changes.
- Surface topography analysis offers a novel method to assess these changes.
Purpose of the Study:
- To investigate the correlation between mild LLI and pelvic/spinal posture in children.
- To analyze truncal and spinal changes in children with LLI using surface topography.
- To provide insights into the effects of LLI on pelvic imbalance and scoliotic curves.
Main Methods:
- Prospective study of 20 children (7 boys, 13 girls, ages 9-15) with mild LLI (0.5-2 cm).
- Assessment using 4D Formetric DIERS apparatus for surface topography analysis.
- Evaluation of coronal, sagittal, and transverse plane parameters, including pelvic obliquity, trunk inclination, and vertebral rotation.
Main Results:
- LLI significantly correlated with pelvic rotation, pelvic tilt (obliquity), and surface rotation.
- Scotiometer readings (trunk rotation/inclination) correlated with pelvic tilt.
- Truncal parameters showed significant deviations from the line of gravity, though LLI did not correlate with scoliosis angle or lumbar trunk rotation.
Conclusions:
- Mild LLI significantly affects pelvic balance and spinal posture parameters in children.
- Surface topography analysis reveals significant truncal changes associated with mild LLI.
- Corrective measures like shoe elevation are recommended for mild LLI to address pelvic obliquity and improve spinal alignment.
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