Efficacy of Peripheral Magnetic Stimulation to Reduce Pain in Knee Osteoarthritis.

Inclusion Criteria: * Primary knee osteoarthritis patients who have had knee pain for at least 6 months and age more than 50 years, had morning stiffness not more than 30 minutes or crepitation. * Kellgren and Lawrence classification 2-4 * Visual analog scale of pain 4 or higher. Exclusion Criteria: * Patients with other musculoskeletal problems associated with knee joint * Patient with history of physical therapy in past 1 month * Patient with pacemaker, cochlear implant or cerebral shunt * Patient with history of knee surgery * Patient with neurological or other severe disease * Patient with previous seizure.