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Related Experiment Videos

The bicycle spoke injury: an avoidable accident?

L G D'Souza1, D E Hynes, F McManus

  • 1Children's Hospital, Dublin, Ireland.

Foot & Ankle International
|March 1, 1996
PubMed
Summary

Bicycle spoke injuries, particularly to children

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Area of Science:

  • Orthopedics
  • Biomedical Engineering
  • Pediatric Safety

Background:

  • Bicycle spoke injuries are a common cause of pediatric foot and ankle trauma.
  • A prospective study identified 71 spoke injuries over one year, with children sustaining ankle and foot injuries.

Purpose of the Study:

  • To investigate the biomechanics of bicycle spoke injuries.
  • To develop and evaluate protective modifications for bicycle wheels to prevent spoke injuries.

Main Methods:

  • A prospective study of bicycle spoke injuries was conducted over a 1-year period.
  • Biomechanical analysis and wind resistance studies were performed on protective wheel covers.
  • A novel plastic shield design was developed to bridge the fork gap.

Main Results:

  • Children sustained ankle and foot injuries including contusions, abrasions, skin loss, lacerations, and fractures.
  • A 10 mm hexagonal mesh cover was found to prevent foot entrapment between spokes and reduce wind resistance.
  • The mesh cover does not prevent foot jamming between the wheel and fork.

Conclusions:

  • Protective modifications, including mesh covers and fork shields, can significantly reduce bicycle spoke injuries.
  • The proposed modifications have the potential to prevent future bicycle spoke injuries.

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