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

Job level risk assessment using task level strain index scores: a pilot study.

Phillip Drinkaus1, Donald S Bloswick, Richard Sesek

  • 1Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA. p.drinkaus@utah.edu.

International Journal of Occupational Safety and Ergonomics : JOSE
|June 9, 2005
PubMed
Summary

This study modified the Strain Index (SI) to evaluate ergonomic risks in multi-task jobs. Both modified SI methods proved effective in identifying risks for distal upper extremity injuries.

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

Analysis of seat belt buckle release forces in post-rollover scenarios: Implications for passenger safety.

Applied ergonomics·2025
Same author

A fatigue failure framework for the assessment of highly variable low back loading using inertial motion capture - a case study.

Ergonomics·2025
Same author

Morphology and Composition of Lumbar Intervertebral Discs: Comparative Analyses of Manual Measurement and Computer-Assisted Algorithms.

Bioengineering (Basel, Switzerland)·2024
Same author

Unlatching school bus seat belt buckles: Considerations for young passengers.

Applied ergonomics·2024
Same author

Estimating Compressive and Shear Forces at L5-S1: Exploring the Effects of Load Weight, Asymmetry, and Height Using Optical and Inertial Motion Capture Systems.

Sensors (Basel, Switzerland)·2024
Same author

The Combined Impact of Hand-Arm Vibration and Noise Exposure on Hearing Sensitivity of Agricultural/Forestry Workers-A Systematic Literature Review.

International journal of environmental research and public health·2023

Area of Science:

  • Occupational health
  • Ergonomics
  • Biomechanics

Background:

  • Assessing ergonomic risk in multi-task jobs presents challenges.
  • The Strain Index (SI) is a tool for evaluating hand-intensive tasks.
  • Existing methods may not fully capture risks associated with complex job demands.

Purpose of the Study:

  • To explore two novel methods for modifying the Strain Index (SI).
  • To assess the ergonomic risk associated with multi-task jobs.
  • To determine the utility of modified SI in predicting distal upper extremity injuries.

Main Methods:

  • Studied 28 automotive jobs, categorized into 15 cases and 13 controls.
  • Developed two modified SI approaches: maximum task SI score and a new algorithm (CARD).

Related Experiment Videos

  • The CARD method was modeled after the NIOSH Composite Lifting Index (CLI) algorithm.

    • Main Results:

    • Both modified SI methods showed significant odds ratios for injury risk.
    • The modified maximum task SI yielded an odds ratio of 11 (CI 1.7-69).
    • The CARD method demonstrated a higher odds ratio of 24 (CI 2.4-240).

    Conclusions:

    • Modification of the Strain Index (SI) is a promising approach.
    • These methods can aid in identifying ergonomic risks in multi-task environments.
    • The findings suggest a potential for reducing distal upper extremity injuries through improved risk assessment.