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BACKGROUND: Desk-based employees face multiple workplace health hazards such as insufficient physical activity and prolonged sitting.

OBJECTIVE: The objective of this study was to increase workday energy expenditure by interrupting prolonged occupational sitting time and introducing short-bursts of physical activity to employees' daily work habits.

METHODS: Over a 13-week period participants (n= 17) in the intervention group were regularly exposed to a passive prompt delivered through their desktop computer that required them to stand up and engage in a short-burst of physical activity, while the control group (n= 17) was not exposed to this intervention. Instead, the control group continued with their normal work routine. All participants completed a pre-and post-intervention survey to estimate workplace daily energy expenditure (calories).

RESULTS: There was a significant 2 (Group)× 2 (Test) interaction, F …