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Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

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In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
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Does active sitting provide more physiological changes than traditional sitting and standing workstations?

Michelle C Léger1, Michelle R Cardoso2, Cynthia Dion2

  • 1Faculty of Kinesiology, University of New Brunswick, NB, Canada.

Applied Ergonomics
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Active chairs increased muscle oxygenation but did not improve perceived productivity compared to traditional office chairs. Participants felt more productive using the standard chair.

Keywords:
Active chairsBlood oxygenationElectrodermal activityHeart rateStanding

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Area of Science:

  • Ergonomics and Human Factors
  • Occupational Health and Safety
  • Physiology

Background:

  • Traditional office chairs offer limited physical activity, potentially contributing to sedentary behavior.
  • Active chairs aim to increase physical engagement during seated work.
  • Understanding the physiological impact and user perception of active chairs is crucial for workplace design.

Purpose of the Study:

  • To compare the physiological effects of two active chairs against a traditional office chair and a standing workstation.
  • To assess muscle oxygenation, heart rate, and electrodermal activity during use.
  • To evaluate user perception of productivity across different workstations.

Main Methods:

  • Cross-sectional study involving 24 healthy participants.
  • Workstation conditions included two active chairs (AC1, AC2), a traditional office chair, and a standing workstation.
  • Physiological measures: near-infrared spectroscopy (NIRS), electrodermal activity (EDA), and heart rate (HR).
  • Participants engaged in a 60-minute active protocol involving alternating motions.

Main Results:

  • Both active chairs significantly increased oxygenated blood in the gastrocnemius muscle.
  • Heart rate and electrodermal activity (stress levels) showed slight variations with task and time.
  • Participants reported feeling more productive using the traditional office chair compared to the active chairs.

Conclusions:

  • Active chairs can enhance physiological responses, such as muscle oxygenation.
  • Despite physiological changes, active chairs may not align with user perceptions of productivity.
  • Further research is needed to optimize active chair design for both physiological benefits and user experience.