The study will include 20 subjects who will be randomly divided to two groups: a ten person group being the study group and a ten person group acting as a control group (each group will include a similar number of females and males as the other group). In addition, the physiotherapy treatments at the rehabilitation center, the study group will gain an intervention consisting of 12 therapy sessions, administered for 12 consecutive days (apart of weekends). The intervention will include 6 minutes of watching a movie clip alternately showing a healthy man and a healthy woman at their sixties, walking while being filmed from various angles. Immediately after watching, the subject will perform 6 minutes of walking, under the experimenters supervision, but without his or hers intervention. Immediately following the walking, the whole procedure will be repeated (watching a clip and walking).