Metabolic cost and speech quality while using an active workstation.

Background: The effect of active workstation implementation on speech quality in a typical work setting remains unclear.

Purpose: To assess differences between sitting, standing, and walking on energy expenditure and speech quality.

Methods: Twenty-two females and 9 males read silently, read aloud, and spoke spontaneously during 3 postural conditions: sitting, standing, and walking at 1.