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Related Experiment Videos

Spine kinematics: a digital videofluoroscopic technique.

A C Breen1, R Allen, A Morris

  • 1Anglo-European College of Chiropractic, Bournemouth, Dorset, UK.

Journal of Biomedical Engineering
|May 1, 1989
PubMed
Summary

Quantifying spinal movement is challenging. This study introduces a novel system using an image processor and X-ray for precise measurement of lumbar spine rotation and centers of rotation.

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Area of Science:

  • Biomechanics
  • Spinal Kinematics
  • Medical Imaging

Background:

  • Assessing vertebral segment kinematics is crucial for diagnosing spinal disorders.
  • Current methods for quantifying spinal mechanical behavior present significant challenges.
  • Accurate measurement of spinal motion is essential for effective treatment localization.

Purpose of the Study:

  • To describe a system for measuring lumbar spine angular rotation.
  • To detail the measurement of instantaneous centers of rotation in the coronal plane.
  • To introduce a novel approach for quantifying vertebral segment kinematic behavior.

Main Methods:

  • Utilized an image processor and X-ray machine with an image intensifier.
  • Measured lumbar spine angular rotation and instantaneous centers of rotation.
  • Calibrated the system using a model under realistic multiplanar motion and X-ray scatter conditions.

Main Results:

  • Successfully quantified lumbar spine angular rotation.
  • Determined instantaneous centers of rotation in the coronal plane.
  • Validated the system's accuracy under simulated clinical conditions.

Conclusions:

  • The developed system offers a viable method for quantifying lumbar spine kinematics.
  • This technology aids in the assessment and localization of spinal mechanical disorders.
  • Image processing and X-ray intensification provide precise kinematic measurements.

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