Fig. 1

Representation of the visual projection of biofeedback during the Intervention walking condition. As the participants walked, their mediolateral trunk lean was calculated in real-time and the resultant angle (represented as a moving blue line) along with a target zone (the white space between the red shaded areas) was projected onto a screen (the black box at the top of the image) that was placed at the end of the walkway in front of the participant