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Related Experiment Videos

Low back pain/prolapsed lumbar intervertebral disc.

J L Kelsey1, A L Golden, D J Mundt

  • 1Division of Epidemiology, Columbia University School of Public Health, New York, New York.

Rheumatic Diseases Clinics of North America
|August 1, 1990
PubMed
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Low back pain and prolapsed lumbar discs are common, especially in adults aged 25-45. Major risk factors include heavy lifting, whole-body vibration, and smoking, with job modification and worker selection as key prevention strategies.

Area of Science:

  • Occupational Health
  • Musculoskeletal Disorders
  • Epidemiology

Background:

  • Low back pain (LBP) is highly prevalent across adult age groups, with initial episodes often occurring in the 20s and 30s.
  • Prolapsed lumbar discs specifically impact individuals aged 25-45, with rare occurrences in those under 20 or over 65.

Purpose of the Study:

  • To identify major and potential risk factors for low back pain and prolapsed lumbar discs.
  • To explore effective prevention strategies for occupational low back pain.

Main Methods:

  • Review of established and potential risk factors associated with LBP and prolapsed lumbar discs.
  • Analysis of occupational exposures and physical demands contributing to LBP.
  • Evaluation of preventative measures including job modification and worker screening.

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Main Results:

  • Key risk factors identified: frequent lifting of heavy objects (≥25 lbs) with poor posture, whole-body vibration (e.g., driving), and cigarette smoking.
  • Specific to prolapsed lumbar discs: narrow lumbar vertebral canals are a significant factor.
  • Potential but less consistent risk factors include sedentary work, prolonged static postures, and certain job-related movements.

Conclusions:

  • Occupational risk factors significantly contribute to the incidence of low back pain and prolapsed lumbar discs.
  • Preventative strategies should focus on modifying job tasks to reduce exposure to known risks.
  • Implementing pre-employment strength testing and careful worker selection can mitigate risks.