This is a common question we receive that centers on which sensor locations are required to produce each computed metric. The chart below outlines which metric groups, counted events, and joint angles are produced with respect to each Opal's assigned body site location. Light blue locations represent the standard 6 sensor placement that is required for instrumented tests in Mobility Lab and Moveo Explorer. Dark blue locations represent placements that are only used to compute joint angle measures when using Moveo Explorer. Custom sensor locations are not integrated when recordings are processed with built-in analysis.