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Modular data logger system for physical workload measurements.

G-A Hansson1, P Asterland, M Kellerman

  • 1Department of Occupational and Environmental Medicine, University Hospital, SE-221 85, Lund, Sweden. gert-ake.hansson@ymed.lu.se

Ergonomics
|March 15, 2003
PubMed
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A new data logger system utilizes flash memory cards for direct, whole-day ambulatory field recordings of electromyography (EMG), inclinometry, and goniometry. This system simplifies data collection for work-related musculoskeletal disorder studies.

Area of Science:

  • Occupational Health
  • Biomedical Engineering
  • Ergonomics

Background:

  • Work-related musculoskeletal disorders (WMSDs) research benefits from direct technical measurements of physical workload.
  • Existing methods may lack efficiency or require data compression, potentially impacting accuracy.

Purpose of the Study:

  • To develop and present a novel data logger system for ambulatory field recordings.
  • To facilitate direct, high-fidelity data acquisition for WMSD research.

Main Methods:

  • Development of a data logger using PCMCIA flash memory cards (20/40 Mbyte).
  • Integration of sensors for electromyography (EMG), inclinometry, and goniometry.
  • Inclusion of an event marking input for synchronization with other devices and video.

Related Experiment Videos

  • Development of application software for data reorganization to enhance accessibility for analysis.

    • Main Results:

    • The developed data loggers are user-friendly and capable of whole-day ambulatory recordings.
    • The system enables data collection without the need for reduction or compression.
    • Data is reorganized by application software for easier access by analysis tools.

    Conclusions:

    • The new data logger system offers an effective solution for direct, comprehensive physical workload assessment in occupational settings.
    • This technology can improve the accuracy and efficiency of studies investigating work-related musculoskeletal disorders.