This chapter aims at simplified objective evaluation of the impairment in the locomotor handicapped and a brief description of disability process to facilitate the readers to understand its horizon. Impairment is defined as any loss or abnormality of psychological, physiological, or anatomical structure or function. Disability is defined as any restriction or lack of ability to perform an activity in the manner or within the range considered normal for a human being. Clinical examination, clinical and psychological examination, physiological examination, biologic and psychosocial phenomenon, examination of joint range, anatomical loss, Mcbride’s method, wage loss and functional impairment are the methods of disability evaluation. The Government of India’s notification includes authorized certifying authorities and guidelines for evaluation of locomotor disability is also discussed in this chapter.