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Related Experiment Videos

Transverse ligament failure: a biomechanical study

J G Heller1, J Amrani, W C Hutton

  • 1Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia.

Journal of Spinal Disorders
|April 1, 1993
PubMed
Summary
This summary is machine-generated.

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The transverse ligament

Area of Science:

  • Orthopedic biomechanics
  • Spinal injury research

Background:

  • The transverse ligament is crucial for upper cervical spine stability.
  • Understanding its failure mechanism is vital for treating neck injuries.

Purpose of the Study:

  • To determine the biomechanical properties of the transverse ligament.
  • To simulate an anteroposterior shear injury mechanism.

Main Methods:

  • Tested 13 isolated transverse ligament specimens.
  • Simulated anteroposterior shear forces.
  • Eliminated secondary restraints and articular geometry interference.

Main Results:

  • Mean load to failure was 692 N (220–1590 N).
  • Mean displacement to failure was 6.7 mm (2–14 mm).

Related Experiment Videos

  • 11 specimens failed within the ligament substance; 2 failed by bone avulsion.

    • Conclusions:

    • Ligament substance failure is the primary mode under shear.
    • Observed displacement to failure shows significant variability.
    • Findings provide critical data for understanding transverse ligament injury.