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Three-dimensional spinal motion measurements. Part 1: A technique for examining posture and functional spinal motion
D Buchalter1, M Parnianpour, K Viola
1Back Center, Hospital for Joint Diseases Orthopaedic Institute, New York, NY 10003.
Journal of Spinal Disorders
|January 1, 1988
Summary
A new noninvasive technology accurately measures spinal motion. Age showed a weak inverse relationship with range of motion, but sex, height, and weight did not correlate.
Area of Science:
- Biomechanical analysis
- Spinal kinematics
Background:
- Accurate measurement of spinal motion is crucial for clinical assessment.
- Existing methods may have limitations in real-time, multi-planar measurement.
Purpose of the Study:
- To evaluate a novel noninvasive technology for measuring spinal motion.
- To assess the accuracy, reproducibility, and reliability of the technology.
Main Methods:
- Application of a new noninvasive technology measuring spinal motion in real-time.
- Measurement of range of motion in lumbar, thoracic, and cervical regions.
- Statistical analysis including Pearson correlations.
Main Results:
- The technology demonstrated accurate, reproducible, and reliable measurement of spinal motion (3 degrees of freedom).
- Mean range of motion values compared favorably with existing literature.
- A statistically significant weak inverse correlation was found between age and range of motion in sagittal and frontal planes (p < .02).
- No significant correlations were observed between range of motion and sex, height, or weight.
- No significant evidence of organized spinal coupling was found, though a relationship between thoracic rotation and lateral motion was noted.
Conclusions:
- The novel noninvasive technology is a reliable tool for quantifying spinal motion.
- Age is a factor influencing spinal range of motion.
- Further research may explore thoracic coupling patterns.