Survey of 3357 retired Olympians (45 yrs) shows same OA rates as 1735 gen population (41yrs) - #OA in 23% (knee 7.4%, hip, ankle). OA from Injury, age, obesity. Prior knee/hip injury increased OA rates significantly (aOR 1.51/4.03) https://t.co/JwaAidkGG1 https://t.co/30Zm7bDWUG