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Abstract
Chronic musculoskeletal disease is one of the most common causes of disability worldwide with considerable economic impact in health care. Osteoarthritis (OA) is the most common chronic musculoskeletal disease affecting a large proportion of the population with an increasing predicted prevalence in the next two decades. Regular physical exercise, nutritional intervention, psychological support and other lifestyle interventions are very important components of the non- pharmacological management of patients with OA. The main rationale to include regular exercise as part of a lifestyle intervention programme for OA is to improve muscle strength and proprioception, and to promote the other general health benefits of participating in regular physical activity. Nutritional intervention should focus on weight reduction while basic nutrients that are required for healthy joints should be provided. Glucosamine and chondroitin supplemention is commonly used and may reduce pain, improve function and reduce or arrest disease progression. Psychological intervention has a particular role in assisting with pain management.