Obesity is a well recognised global epidemic. In the last 30 years, obesity has doubled worldwide. The prevalence of obesity in India is about 12 per cent to 31 per cent in various age groups. About 22 per cent to 39 per cent of the Indian population suffers from osteoarthritis of the knee. The most significant impact of excess weight on bones and joints is associated with degenerative osteoarthritis of the knee. The treatment of end stage osteoarthritis of knee is surgical — Total Knee Replacement (TKR). A good lifestyle, which incorporates a balanced diet, physical fitness and regular exercise,