Arthritis is the most prevalent chronic disease among individuals aged 65 years and older. Its prevalence increasessharply after the age of 45 years, occurring in up to 50% of older adults (Kaplan et al. 2003, Helmick et al. 2008).Two of the most common types of arthritis are osteoarthritis(OA) and rheumatoid arthritis (RA). Treatment focuses on relieving pain, improving joint function and preventing disability, with the ultimate goal of improving the quality