Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Continuous motion analysis of the head-neck complex under impact

N Yoganandan1, F A Pintar, P Arnold

  • 1Department of Neurosurgery, Medical College of Wisconsin, Milwaukee 53226.

Journal of Spinal Disorders
|October 1, 1994
PubMed
Summary

This study analyzed head-neck complex biodynamics during impact loading. Researchers found that dynamic forces consistently caused mid to lower cervical spine injuries, correlating kinematics with injury patterns.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Human pelvis injury risk curves from underbody blast impact.

BMJ military health·2021
Same author

Hierarchical process using Brier Score Metrics for lower leg injury risk curves in vertical impact.

BMJ military health·2019
Same author

A point-wise normalization method for development of biofidelity response corridors.

Journal of biomechanics·2015
Same author

Sensitivity of head and cervical spine injury measures to impact factors relevant to rollover crashes.

Traffic injury prevention·2015
Same author

Biomechanical responses due to discitis infection of a juvenile thoracolumbar spine using finite element modeling.

Medical engineering & physics·2014
Same author

Toward a more robust lower neck compressive injury tolerance-an approach combining multiple test methodologies.

Traffic injury prevention·2013

Area of Science:

  • Biomechanics
  • Orthopedics
  • Trauma research

Background:

  • Understanding head-neck complex responses to impact is crucial for injury prevention.
  • Previous studies often lack detailed kinematic analysis of cervical spine trauma.

Purpose of the Study:

  • To analyze the localized kinematic biodynamics of the human head-neck complex under impact loading.
  • To correlate head-neck complex kinematics with the onset and pattern of cervical spine injuries.

Main Methods:

  • Utilized unembalmed human cadaveric head-neck complexes subjected to axial compressive forces.
  • Simulated musculature with springs and cables; inserted retroreflective targets for motion analysis.
  • Employed high-speed, continuous-motion analysis and computed tomography for injury documentation.

Related Experiment Videos

Main Results:

  • Dynamic loading at 1.8-5.1 m/min consistently resulted in mid to lower cervical spine injuries.
  • Motion analysis revealed the temporal order of external load transfer through the cervical column.
  • Documented injuries correlated with the observed kinematics of vertebral bodies, intervertebral discs, and facet joints.

Conclusions:

  • High-speed kinematic analysis of the head-neck complex under dynamic loading defines temporal mechanics of cervical spine trauma.
  • This methodology allows for correlation between specific movements and the resulting injury patterns.
  • Findings are fundamental to understanding the biodynamics of cervical spine trauma from impact forces.