This article is from the Rottweilers Breed FAQ, by firstname.lastname@example.org (Denise Gross).
Like hip dysplasia, elbow dysplasia is a hereditary disease. It is a
malformation of the elbow joint(s). OFA certifies elbows on a
pass/fail basis. As with hip dysplasia, your breeder should be able to
show you reports from the OFA defining the conformation of both