Validation of the Vivago Wrist-Worn accelerometer in the assessment of physical activity

Abstract

Background: Most accelerometers are worn around the waist (hip or lower back) to assess habitual physical activity. Wrist-worn accelerometers may be an alternative to the waist-worn monitors and may improve compliance in studies with prolonged wear. The aim of this study was to validate the Vivago® Wrist-Worn Accelerometer at various intensities of physical activity (PA) in adults. Methods. Twenty-one healthy adults aged 20-34 years were recruited for the study. Accelerometer data and oxygen uptake (VO 2) were measured at sedentary, light, moderate and vigorous levels of PA. Results: Activity categories and accelerometer counts were: sedentary, 0-15 counts·min 1; light, 16-40 counts·min 1; moderate, 41-85 counts·min 1; and vigorous activity, >; 85 counts·min 1. ANOVA repeated measures was used to determine the relationship between accelerometry data output and oxygen consumption (r=.89; p