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Related Experiment Videos

Bone and joint pathology in workers using hand-held vibrating tools. An overview.

G Gemne1, H Saraste

  • 1National Institute of Occupational Health, Unit of Occupational Medicine, Solna, Sweden.

Scandinavian Journal of Work, Environment & Health
|August 1, 1987
PubMed
Summary
This summary is machine-generated.

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Work with vibrating tools, especially percussive ones, may lead to elbow and wrist osteoarthrosis, though rarely. Other factors like joint loading and repetitive movements are key contributors to this bone and joint pathology.

Area of Science:

  • Occupational Health
  • Musculoskeletal Disorders
  • Radiology

Background:

  • Workers using vibrating tools may develop bone and joint pathology.
  • Pneumatic percussive tools are linked to premature elbow and wrist osteoarthrosis, albeit with low prevalence.
  • This condition is not solely due to vibration but also joint loading and repetitive movements.

Purpose of the Study:

  • To evaluate radiological documentation of bone and joint pathology in the hands and arms of workers using vibrating tools.
  • To investigate the role of vibration exposure, particularly low-frequency percussion, in the etiology of osteoarthrosis.
  • To examine claims regarding vibration exposure and specific bone conditions like bone cysts and Kienböck's disease.

Main Methods:

  • Literature evaluation of radiological findings.

Related Experiment Videos

  • Analysis of evidence linking tool use to musculoskeletal disorders.
  • Assessment of the impact of vibration frequency and tool type on pathology.

    • Main Results:

    • Low-frequency percussion may play a role in osteoarthrosis through cartilage damage, increased joint load, and altered muscle response.
    • No valid documentation supports hand-arm vibration exposure causing excess bone cysts, vacuoles, Kienböck's disease, or scaphoid pseudarthrosis.
    • Higher frequency vibrations from tools like drills and grinders do not appear linked to excess bone and joint pathology.
    • Variations in skeletal disorder prevalence are likely due to biodynamic and ergonomic differences across occupations.

    Conclusions:

    • While vibration exposure, especially low-frequency percussion, may contribute to osteoarthrosis, it is multifactorial, involving joint loading and repetitive motions.
    • The specific role of vibration in various bone pathologies remains undocumented.
    • Occupational and ergonomic factors significantly influence the prevalence of skeletal disorders in workers using vibrating tools.