This issue of Clinics in Geriatric Medicine, Guest Edited by David Hunter, MD, will feature such article topics as: Epidemiology of Osteoarthritis; Age-Related Changes in the Musculoskeletal System and the Development of Osteoarthritis; The Contribution of Osteoarthritis to Disability; Etiology and Assessment of Disability in Older Adults; Quality of Osteoarthritis Care for Community-Dwelling Older Adults; Contextualizing Osteoarthritis Care and the Reasons for the Gap Between Evidence and Practice; Transforming Osteoarthritis Care in an Era of Health Care Reform; Strength Training in Older Adults: the Benefits for Osteoarthritis, Diet and Exercise in Older Obese Adults with Osteoarthritis; Device Use: Braces, Walking aids and orthotics; Pharmacologic Intervention for Osteoarthritis in Older Adults; Surgery in Older Adults with Osteoarthritis.