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Implications of sit-stand and active workstations to counteract the adverse effects of sedentary work: A
Sohit Karol1,2, Michelle M Robertson1
1Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA.
Background:
Sedentary work is associated with many adverse health outcomes, and sit-stand workstations in offices have emerged as a way to counteract sedentary work.
Objective:
This paper reviews the existing knowledge on sit-stand workstations, treadmill workstations and bicycle workstations.
Methods:
The inclusion/exclusion criteria were: 1) empirical research examining the effectiveness of sit-stand workstations in lab or field studies, 2) working adult population, 3) sit-stand workstation interventions where workers performed the same task from a seated or standing position, 4) outcomes measures of discomfort (comfort), performance, sit-stand behaviors, user satisfaction, kinematic and physiological measures. Search terms were: sit-stand, treadmill, bicycle, workstations, sedentary behavior, office ergonomics, and comfort.
Results:
Many studies considered productivity, comfort and physiological measures as important outcomes to assess the efficacy of sit-stand workstations and the experimental design was variable. Preliminary data suggests that some amount of standing during an 8-hour workday could be beneficial without compromising user comfort or productivity; however, there is very little data on the efficacy of treadmill and bicycle workstations.
Conclusions:
Based on these preliminary data from 26 studies, conducting large scale randomized controlled trials with ergonomic training as their essential component is recommended to understand the benefits of sit-stand workstations for prevention of sedentary work.
