Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12883-015-0447-5/MediaObjects/12883_2015_447_Fig2_HTML.gif)
Schematic illustration of subsequent research questions, showing a subject performing a gaze shift while walking. a Interplay of eye/head movement and balance; b Interplay of balance and gait; c Interplay of eye/head movement and gait
Schematic illustration of subsequent research questions, showing a subject performing a gaze shift while walking. a Interplay of eye/head movement and balance; b Interplay of balance and gait; c Interplay of eye/head movement and gait