Fig. 2
From: A novel balance training system using multimodal biofeedback
Postures assumed by young healthy subjects. a One foot stance P1, b Tandem Romberg stance P2 and (zoomed image) Visual biofeedback on display screen. Young healthy participants performed balance with assumption of each posture barefoot for 30 s. Subjects were required to stand still in front of a table, upon which the experimental apparatus including the Phantom Omni® and the PC was placed