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

Static three-dimensional modelling of prolonged seated posture.

B Kayis1, K Hoang

  • 1School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia.

Applied Ergonomics
|May 18, 1999
PubMed
Summary
This summary is machine-generated.

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

Rare germline variants in ATM are associated with chronic lymphocytic leukemia.

Leukemia·2017
Same author

Molecular evolution of candidate genes involved in post-mating-prezygotic reproductive isolation.

Journal of evolutionary biology·2014
Same author

Immune system phenotyping of radiation and radiation combined injury in outbred mice.

Radiation research·2012
Same author

Dexamethasone protects organ of corti explants against tumor necrosis factor-alpha-induced loss of auditory hair cells and alters the expression levels of apoptosis-related genes.

Neuroscience·2008
Same author

Constrictive pericarditis due to coccidiomycosis.

The Annals of thoracic surgery·1999
Same author

Subtle overlapping deletions in the terminal region of chromosome 6q24.2-q26: three cases studied using FISH.

American journal of medical genetics·1999

Prolonged sitting with poor posture can lead to long-term musculoskeletal issues. Reclined seating postures significantly reduce lumbar disc compression, while forward-bent postures increase it.

Area of Science:

  • Occupational Health
  • Biomechanics
  • Ergonomics

Background:

  • Prolonged seated postures can result in long-term musculoskeletal problems.
  • Understanding spinal loading during seated work is crucial for preventing injury.

Purpose of the Study:

  • To model and quantify intervertebral disc compression at the L5 (fifth lumbar) disc.
  • To identify optimal seated postures for reducing spinal loading in computer operators.

Main Methods:

  • Development of a 3D static body model to calculate L5 disc compression.
  • Utilized SAMMIE (computer-aided ergonomics package) for workstation modeling and kinematic analysis.
  • Conducted experiments to determine body-mass distribution on seating.

Main Results:

Related Experiment Videos

  • No significant differences in body-mass distribution were found between males and females.
  • The static model indicated that reclined seat pan and backrest angles minimize disc compression.
  • Forward-bent postures resulted in the highest lumbar disc loadings.

Conclusions:

  • Seated workstation design and posture significantly impact spinal health.
  • Reclined postures are recommended to reduce the risk of musculoskeletal problems associated with prolonged sitting.