Dr. Mokhtar Arazpour is an Assistant Professor, at Department of Orthotics and Prosthetics, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Dr. Arazpour has a PhD in Orthotics and Prosthetics from the University of Social Welfare and Rehabilitation Sciences (USWR), Tehran, Iran. He is Faculty member as Assistant Professor in the Department of Orthotics and Prosthetics since 2013. Dr. Mokhtar received his B.S. and M.Sc. and PhD in Orthotics and Prosthetics from USWR. His PhD thesis was "Design, Construction and Evaluation of the New Powered Gait Orthosis for Walking in Spinal Cord Injury Patients". Research interest of Dr. Mokhtar include lower limb orthotics, osteoarthritis of knee and hand joints, design and construction of new lower limb orthosis and waling analysis.