RT Journal Article SR Electronic A1 Gordon, Debra T1 Total Hip and Knee Replacements 2011: An Update for Rheumatologists JF MD Conference Express YR 2011 FD SAGE Publications VO 11 IS 13 SP 24 OP 25 DO 10.1177/155989771113015 UL http://mdc.sagepub.com/content/11/13/24.abstract AB An aging population, obesity, and the growing incidence of knee injuries in young people are factors that are likely to increase the demand for total joint replacement. This article discusses physical activity and osteoarthritis, as well as outcomes of total hip and total knee replacements.