Inclusion Criteria:  Clearance by the treating physician. Unilateral below-knee amputation History of phantom-limb pain with an intensity of 5-or-greater (VAS scale) Pain is not responsive to conventional drugs or other standard treatment. Range of motion (knee) of 10-to-90 degrees.  Exclusion Criteria:  Bilateral amputation History of phantom-limb pain with an intensity of 4-or-less (VAS scale) No prior attempt at therapy Declined by patient Pregnancy or other limitation related to special health-care groups.