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

Forestry workers exposed to vibration: a neurological study.

M Färkkilä1, I Pyykkö, V Jäntti

  • 1Department of Neurology, University Hospital of Helsinki, Finland.

British Journal of Industrial Medicine
|March 1, 1988
PubMed
Summary

Forestry workers exposed to chain saw vibration show high rates of hand paresthesia and carpal tunnel syndrome. Sensorimotor polyneuropathy is rare, with numbness often linked to carpal tunnel syndrome, not vibration exposure.

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

Imaging of Temporal Bone.

Advances in oto-rhino-laryngology·2019
Same author

Positive impact of Ménière's disorder on significant others as well as on patients: our experience from eighty-eight respondents.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2013
Same author

How one hundred and eighty three people with Menière's disorder relieve their symptoms: a random cohort questionnaire study.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2013
Same author

Tinnitus complaint behaviour in long-standing Menière's disorder: its association with the other cardinal symptoms.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2011
Same author

Analysis of outcome of Lichtenstein groin hernia repair by surgeons-in-training versus a specialized surgeon.

Hernia : the journal of hernias and abdominal wall surgery·2011
Same author

Modelling stabilograms with hidden Markov models.

Journal of medical engineering & technology·2008

Area of Science:

  • Occupational Health
  • Neurology
  • Ergonomics

Background:

  • Occupational exposure to chain saw vibration is common in forestry.
  • Vibration exposure is associated with neurological symptoms and disorders.
  • Understanding the specific neurological impacts on forestry workers is crucial.

Purpose of the Study:

  • To investigate the prevalence of neurological findings in forestry workers exposed to chain saw vibration.
  • To differentiate between vibration-induced effects and other neurological conditions like carpal tunnel syndrome.
  • To assess the relationship between vibration exposure duration and neurological symptoms.

Main Methods:

  • A cross-sectional study involving 186 forestry workers with documented chain saw vibration exposure.

Related Experiment Videos

  • Clinical examination for vibration-induced white fingers, paresthesia, and muscle weakness.
  • Electromyographic (EMG) examinations in a subset of 79 workers to assess polyneuropathy and carpal tunnel syndrome.
  • Correlation analysis between vibration exposure, alcohol consumption, and neurological findings.

    • Main Results:

    • Prevalence rates: 5% for vibration-induced white fingers, 53% for hand paresthesia, 13% for muscle weakness.
    • Clinical polyneuropathy observed in 7.5% of workers, with no correlation to alcohol intake.
    • EMG revealed generalized polyneuropathy in 2.5% of examined workers.
    • Carpal tunnel syndrome diagnosed in 26% of examined workers, with elevated vibration detection thresholds.
    • Headache and vertigo were not linked to vibration exposure.

    Conclusions:

    • Sensorimotor polyneuropathy is uncommon in forestry workers despite significant vibration exposure.
    • Carpal tunnel syndrome is prevalent and may account for a substantial portion of reported numbness.
    • Increased vibration detection thresholds are associated with carpal tunnel syndrome, not generalized polyneuropathy from vibration.
    • Occupational health strategies should consider the high prevalence of carpal tunnel syndrome in this workforce.