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Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption
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Exploring occupational standing activities using accelerometer-based activity monitoring.

Jennifer Anderson1, Malcolm H Granat1, Anita E Williams1

  • 1a School of Health Sciences , University of Salford , Salford , United Kingdom.

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Prolonged standing at work is common and linked to musculoskeletal issues. This study defined various standing activities, revealing significant differences in movement intensity between occupations like chefs and veterinary surgeons.

Keywords:
Occupational standingaccelerometeractivity monitorchefsveterinary surgeons

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Area of Science:

  • Occupational Health
  • Biomechanics
  • Ergonomics

Background:

  • Prolonged standing is prevalent in 60% of jobs, contributing to musculoskeletal disorders.
  • The definition of 'standing' is broad and lacks differentiation in activity intensity.
  • Understanding varied standing postures is crucial for mitigating workplace health risks.

Purpose of the Study:

  • To define a spectrum of work-based 'standing' activities.
  • To objectively compare the physical movements of different 'standing' occupations.
  • To differentiate occupational standing profiles beyond mere time spent upright.

Main Methods:

  • Utilized a triaxial accelerometer (ActivPAL) to record movements.
  • Defined five distinct movements: static standing, weight-shifting, shuffling, walking, and sitting.
  • Analyzed daily work activities of chefs, veterinary surgeons, and office workers.

Main Results:

  • Veterinary surgeons stood statically for 62% of their upright time.
  • Chefs exhibited a mix of static standing, weight-shifting, and shuffling.
  • Significant differences in movement patterns were observed between occupations with similar upright time.

Conclusions:

  • This study provides the first detailed definition of 'standing' activities at work.
  • Occupational standing profiles vary significantly in intensity and movement.
  • A nuanced understanding of standing activities is essential for addressing musculoskeletal disorders.