Related Experiment Videos
Three-dimensional spinal and pelvic alignment in an asymptomatic population.
Nicolas Gangnet1, Raphaël Dumas, Vincent Pomero
1Bordeaux University Hospital, Spinal Disorders Unit, Department of Orthopaedic Surgery, Bordeaux, France. nicolas.gangnet@chu-bordeaux.fr
Spine
|July 4, 2006
Summary
This study establishes novel three-dimensional (3-D) reference values for spinal and pelvic alignment in asymptomatic individuals. These 3-D measurements offer a more accurate assessment of posture and balance compared to traditional 2-D methods.
Area of Science:
- Biomedical Engineering
- Orthopedics
- Radiology
Background:
- Accurate spinal and pelvic alignment values are crucial for assessing posture and balance.
- Previous studies relied on 2-D sagittal radiographs, lacking comprehensive 3-D data.
- No 3-D referential values for spinal and pelvic alignment have been previously reported.
Purpose of the Study:
- To establish 3-D reference values for spinal and pelvic parameters.
- To determine 3-D vertebral and intervertebral orientations.
- To investigate apical and junctional zones in asymptomatic subjects.
Main Methods:
- A biplanar radiographic technique was employed for 3-D reconstruction of the spine and pelvis.
- 3-D values were calculated for spinal and pelvic parameters.
- 3-D vertebral and intervertebral orientations were computed.
Main Results:
- Significant differences were observed between 3-D and 2-D spinal and pelvic parameter values.
- A large variability and specific correlations were noted in 3-D parameters.
- 3-D vertebral and intervertebral sagittal rotations exhibited unique characteristics in apical and junctional zones.
Conclusions:
- The study provides essential 3-D referential values for spinal and pelvic alignment.
- These 3-D data enhance the understanding of asymptomatic spinal biomechanics.
- The findings can inform clinical assessments of posture and balance.