Fig. 4From: The effects of different sensory augmentation on weight-shifting balance exercises in Parkinson’s disease and healthy elderly people: a proof-of-concept studyAverage range of LOS in the A/P and M/L direction as a function of the group before and after dynamic weight-shifting balance exercises guided by biofeedback. Error bars indicate standard error of the corresponding average (* p < 0.05, ** p < 0.0001)Back to article page