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Abstract

Background: Osteoarthritis (OA) is a slowly progressive joint disease that is typically seen in middle aged to elderly people.Due to the high physical and economic burden of knee OA, the effectiveness of conservative interventions and determining those patients who will respond to them should be investigated Objective: To compare the effectiveness of Mckenzie exercise versus VMO exercise with ultrasound on pain and physical function in subjects with knee OA.Method: 30 participants with OA knee were allocated into two groups (15 participants in each group).Group A were given Mckenzie exercise and Group B was given Vastus medialis obliques muscle exercise.The outcome measures used were Western Ontario Mc University Osteoarthritis Index (WOMAC).The treatment was given for 3 weeks. Result:In group A WOMAC score improved from 54.40 to 39.23 (p< .001)which were statistically significant.In Group B the pre WOMAC score improved from 56.73 to 47.20 (p< .001).When compared between the groups, the WOMAC total scores showed statistically significant difference.However, the stiffness sub score of WOMAC did not show significant difference between the groups (p value> .525)Conclusion: Mckenzie exercise is better than VMO strengthening exercise on physical function in subjects with knee osteoarthritis.