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Related Experiment Video

Updated: Apr 12, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Postural dynamism during computer mouse and keyboard use: A pilot study.

S M Van Niekerk1, S M Fourie1, Q A Louw1

  • 1Division of Physiotherapy, Department of Interdisciplinary Health Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, PO Box 19063, Tygerberg 7505, South Africa.

Applied Ergonomics
|May 12, 2015
PubMed
Summary

Computer work can cause pain. This study found less spinal movement during mouse use than keyboard typing, suggesting different risks for musculoskeletal pain from these common computer tasks.

Keywords:
Computer usePostural dynamismSitting posture

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Area of Science:

  • Ergonomics and Human Factors
  • Occupational Health
  • Biomechanics

Background:

  • Prolonged sedentary computer use is a known risk factor for developing musculoskeletal pain.
  • Understanding how different computer tasks affect posture is crucial for mitigating these risks.

Purpose of the Study:

  • To investigate and compare postural dynamism during computer mouse use versus keyboard typing.
  • To quantify changes in cervical and thoracic spine movement during these tasks.

Main Methods:

  • Twelve participants performed standardized mouse and keyboard typing tasks.
  • A 3D motion analysis system captured cervical and thoracic postural changes.
  • Data from eight participants were analyzed to determine the number and range of postural shifts.

Main Results:

  • Significantly less postural dynamism was observed in the cervical and thoracic spine regions during mouse use compared to keyboard typing.
  • The findings quantify differences in spinal movement patterns between these two primary computer interaction methods.

Conclusions:

  • Keyboard typing involves greater postural dynamism than mouse use.
  • These findings highlight distinct biomechanical demands of different computer tasks, informing ergonomic interventions for reducing musculoskeletal pain risk.