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Related Experiment Video

Updated: Mar 22, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
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Do Personal Factors or Types of Physical Tasks Predict Workplace Injury?

Nelson Ositadimma Oranye1, Bernadine Wallis2, Kim Roer3

  • 1University of Manitoba nelson.oranye@med.umanitoba.ca.

Workplace Health & Safety
|April 9, 2016
PubMed
Summary

Workers in physically demanding health care jobs face higher risks of work-related musculoskeletal disorders (WMSD). Spending more time on physical tasks significantly increases WMSD risk, especially for those who sit less than two hours daily.

Keywords:
employee factorsjob characteristicsphysical taskswork-related musculoskeletal disorders.workplace factors

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Public Health

Background:

  • Physically demanding jobs, particularly those with repetitive motions, increase the risk of work-related musculoskeletal disorders (WMSD).
  • The healthcare sector, especially nursing, shows high prevalence of WMSD due to patient handling and workplace violence.
  • Existing analyses often overlook the impact of time spent on physical tasks in assessing WMSD risk.

Purpose of the Study:

  • To compare WMSD risks among healthcare workers based on the type and duration of physical tasks performed.
  • To investigate the relationship between time spent on physical tasks and the incidence of WMSD in healthcare settings.

Main Methods:

  • Comparative analysis of WMSD risks in healthcare facilities.
  • Assessment of physical task types and the amount of time workers dedicated to these tasks.
  • Statistical analysis including odds ratios to quantify risk.

Main Results:

  • Workers who spent longer durations on physical tasks reported higher rates of WMSD.
  • The risk of WMSD was more than double (OR = 2.3) for workers who sat for less than two hours daily compared to those who sat longer.
  • Both the nature of physical tasks and the time spent on them are significant risk factors for WMSD in healthcare.

Conclusions:

  • Physical tasks in healthcare jobs and the time allocated to them are critical risk factors for WMSD.
  • Reducing time spent on demanding physical tasks and increasing sedentary periods may mitigate WMSD risk in healthcare workers.