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Quantifying Arms and Legs Contributions during Repetitive Electrically-Assisted Sit-To-Stand Exercise in Paraplegics: A Pilot Study

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Reducing Office Workers' Sitting Time at Work Using Sit-Stand Protocols: Results From a Pilot Randomized Controlled

Ingrid Li¹, Martin G Mackey, Bridget Foley

¹Department of Physiotherapy (Ms Li); The Faculty of Health Sciences (Ms Li, Dr Mackey, Dr Pappas, Dr Edwards, Dr Stamatakis); Prevention Research Collaboration, School of Public Health, Sydney Medical School, Charles Perkins Centre, University of Sydney (Dr Mackey, Ms Foley, Dr Pappas, Dr Edwards, Dr Chau, Dr Engelen, Dr Bauman, Dr Stamatakis); Primary Health Care Education and Research Unit, Research and Education Network (Ms Foley), Western Sydney Local Health District, Westmead; Health Promotion Unit, Sydney Local Health District (Dr Voukelatos, Dr Whelan); School of Public Health and Community Medicine, University of New South Wales (Dr Voukelatos, Dr Whelan), Sydney; School of Public Health, University of Queensland (Dr Winkler), Australia; Department of Epidemiology & Public Health, Institute of Epidemiology and Healthcare, University College London, London, UK (Dr Stamatakis).

Journal of Occupational and Environmental Medicine

|May 6, 2017

Summary

Sit-stand workstations significantly reduced office workers

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Published on: March 7, 2019

Area of Science:

Occupational Health
Ergonomics
Workplace Wellness

Background:

Prolonged sitting in office environments is linked to adverse health outcomes.
Interventions are needed to reduce sedentary behavior during work hours.

Purpose of the Study:

To evaluate the impact of different sit-stand protocols on sedentary time and physical activity in office workers.
To assess the effectiveness of height-adjustable workstations in modifying work-time physical activity.

Main Methods:

Randomized controlled trial with 26 office workers over 4 weeks.
Three sit-stand protocols using height-adjustable workstations were compared to a usual sitting control group.
Objective measurement of sitting, standing, and stepping time using inclinometry (activPAL).
Leisure-time physical activity (LTPA) assessed via self-report.

Main Results:

Intervention groups decreased work sitting time by an average of 113 minutes per 8-hour workday.
Work standing time increased by an average of 96 minutes per 8-hour workday.
No significant impact on leisure-time physical activity or sleep duration was observed.

Conclusions:

Sit-stand protocols using height-adjustable workstations are effective in reducing occupational sitting time.
These interventions appear safe, with no significant adverse effects on leisure-time physical activity or sleep.
Promoting sit-stand workstations can be a viable strategy for improving workplace health behaviors.