Treatment Procedures. The subjects will be treated for three months, four sessions/week (for a total of 48 treatment visits). A given session will be 1 hrs, with the time divided into thirds as follows: 1) hr coordination exercise; 2) hr over ground gait training; and 3) hr Lokomat gait training. FNS-IM will be used in all three aspects of the protocol, unless the subject is capable of volitionally executing a given movement or gait component. Population. The subjects will be chronic stroke survivors (>6 months after the stroke).