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Hierarchy of Motor Control01:18

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Motor variability--an important issue in occupational life.

Divya Srinivasan1, Svend Erik Mathiassen

  • 1Centre for Musculoskeletal Research, Department of Occupational and Public Health Sciences, University of Gavle, 801 76 Gavle, Sweden. divyasrinivasan@gmail.com

Work (Reading, Mass.)
|February 10, 2012
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Summary

Motor variability (MV) offers a novel approach to reduce occupational musculoskeletal disorders (MSDs) by increasing biomechanical variation. This review explores MV

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Area of Science:

  • Occupational Biomechanics
  • Motor Control
  • Sports Science

Background:

  • Repetitive movements are a known risk factor for occupational musculoskeletal disorders (MSDs) in the neck, shoulder, and arm.
  • Current interventions like job rotation may not be feasible in all industrial settings.
  • Intrinsic motor variability (MV) presents a potential alternative for increasing biomechanical exposure variation.

Purpose of the Study:

  • To review the current state of motor variability (MV) research across multiple disciplines.
  • To determine the relevance of MV in occupational settings for MSD prevention.
  • To assess if existing literature supports MV as a deliberate intervention strategy for increasing biomechanical variation without impacting productivity.

Main Methods:

  • Systematic literature review of motor control, sports, and occupational biomechanics.
  • Analysis of studies investigating motor variability in various tasks.
  • Synthesis of findings related to MV and its potential application in occupational health.

Main Results:

  • Motor variability (MV) is a fundamental aspect of motor control, present in all tasks.
  • Evidence suggests MV can influence biomechanical exposure and potentially mitigate risks associated with repetitive tasks.
  • The reviewed literature indicates a need for further research to validate MV as an occupational intervention.

Conclusions:

  • Motor variability (MV) is a relevant concept for understanding and potentially preventing occupational musculoskeletal disorders (MSDs).
  • Further research is warranted to explore the manipulation of MV as a practical intervention in industrial environments.
  • Investigating MV could lead to innovative strategies for enhancing worker health and safety.