PT - JOURNAL ARTICLE AU - Gordon, Debra ED - Jordan, Joanne M. TI - Total Hip and Knee Replacements 2011: An Update for Rheumatologists DP - 2011 01 TA - MD Conference Express PG - 24--25 VI - 11 IP - 13 4099 - http://mdc.sagepub.com/content/11/13/24.short 4100 - http://mdc.sagepub.com/content/11/13/24.full 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.