Metabolic Rate during a Cognitive Vigilance Challenge at Alternative Workstations

Journal of Occupational and Environmental Medicine
Tess N TytonCraig A Horswill

Abstract

The aim of this study was to compare energy expenditure (EE, kcal/min) at three workstations during an attention-demanding cognitive function task (Test of Variables of Attention or TOVA). Workstations included the seated desk (SIT), standing desk (STAND), and seated workstation designed to promote spontaneous movement (SWING). Adult males (n = 11) and females (n = 13) were assessed for EE using VO2 and VCO2 per quarter of the 22-min TOVA. Average EE were 1.39 ± 0.06 (SIT), 1.55 ± 0.08 (SWING), and 1.44 ± 0.08 (STAND). Main effects (P < 0.05) were seen for workstation (SWING, STAND > SIT), and quarter of TOVA (Q2 < Q1,Q3,Q4). TOVA errors and response times were not different for workstations but increased for Q3 and Q4. Spontaneous movement at an alternative workstation elevated EE 10% to 11% compared with sitting and could increase daily nonexercise activity thermogenesis without diminishing mental attention to desk work.

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Citations

Nov 19, 2021·International Journal of Occupational Safety and Ergonomics : JOSE·Mostafa MohammadianHadi Daneshmandi

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