In the aerobic games a maximum of four different activities can be made. In the first one the lower limb is trained. In the second, the upper limb is trained. The third activity is based on a combination of the two previous ones, so the user will be able to train the upper and lower limb simultaneously. In the last activity any of both limbs can be trained with a cognitive training at the same time (dual-task activities4,5).
There are different landscapes that are presented to the user, such as Hyde Park (London) or Paris. The landscape will depend on the kind of session configured by the therapist. The patient must stay in front of the device Microsoft© Kinect and make a series of movements that are detected by the sensor. All movements made are transferred to an avatar which is inside the landscape previously selected. Therefore, the user can see how the avatar play every single move he is making opposite to the device.
In order to make the avatar move along the landscape the patient must walk on the site, lifting her legs and maintaining a medium speed step. The angle made of his knees when they are lifted is not the same for every