Osteoarthritis (OA) is a chronic degenerative disease affecting major joints of the body especially weight-bearing joints for example knee, one-third of adults and presenting a tendency to increase with age. OA knee can be associated with symptoms of pain, instability, reduction of the range of motion (ROM) and consequently, deterioration in the quality of life and function. This functional limitation results in an increase in the risk of an increase in disability which leads to impairment of day-to-day ability.