Out of all degenerative joint diseases, osteoarthritis (OA) is one of the most prevalent joint pathology affecting the knee joint. Most of the affected individuals suffer with reduced functional capacity attributed to joint pain, stiffness, weakness in the muscles as a consequence of subsequent remodeling and hypertrophy of bone at the joint margins (osteophytes). However the primary cause of functional disability is, the associated muscular impairments due to loss of hyaline cartilage within the joint. But, at times muscle dysfunction may actually precede and expedite the cartilage deterioration. So it is obvious to say that knee OA cannot solely be considered a disease of the cartilage degeneration hence simultaneous focus should also be given to the associated muscular impairments.

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