The Actigraph Monitor (IMAGE)

University of Bristol

The Actigraph Monitor

Caption

The Actigraph Monitor is the size of a matchbox and is worn around the waist. The device counts the up-and-down movement as children, walk, run or engage in other physical activity. As well as measuring overall levels of physical activity, it also allows researchers to measure activity intensity -- by giving a figure for the number of movements it records over the course of a minute.

Credit

Avon Longitudinal Study of Parents and Children

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