Link  http://www6.aaos.org/news/Pemr/press_release.cfm?prnumber=543

San Diego, CA  02/14/2007 Running, basketball and other high-impact sports may lead to stronger bones as people age, according to a new study presented today at the 74th Annual Meeting of the American Academy of Orthopaedic Surgeons. Measurements conducted on senior Olympic athletes found that the bone mineral density (BMD) for those who participated in impact sports was significantly greater than athletes who competed in low-impact sports like swimming and cycling.“While we know that exercise is vital as we get older, this study finds that the kind of exercise we choose can be just as important,” said Vonda Wright, MD, lead author and assistant professor in the department of orthopedic surgery at the University of Pittsburgh Medical Center. “The findings show that a key to maintaining strong, healthy bones as we age is to engage in impact sports.