A small, light-weight whole body sensor, the size of a wrist watch, is worn on a neoprene belt around the waist during motor performance testing. The device contains 3 accelerometers and 3 gyroscopes (DynaPort MiniMod Modules, McRoberts BV). The Netherlands) A wide range of spatial-temporal gait measures can be derived from the data collected, augmenting traditional measures of time used to describe gait performances tested in the community-setting such as the 8' walk or the Timed Get-Up and Go [62].
