Visual Feedback Manipulation in Virtual Reality Alters Extension-evoked Pain Perception in Chronic LBP

They perform 3 lumbar extensions until the onset of pain without virtual reality

They perform 3 lumbar extensions until the onset of pain using the virtual reality. In this condition, they feel that they are moving a 10%less than they are really moving.

They perform 3 lumbar extensions until the onset of pain using the virtual reality. In this condition, they feel that they are moving a 10% more than they are really moving.