Learning Issues-Group 4, Case 1 Hypothesis 1: hip dysplasia (Matt Stachmus, Annika Frederickson) What is hip dysplasia? What are the common signs? What is the Ortalani sign? What does a positive sign mean? Are there any breed predilections for Rottweilers? What are the congenital and developmental disorders in large breed dogs? What is the normal ROM for a normal dog hip? What orthopedic diseases occur in young dogs? Why would palpation of hip cause more pain on one hip over the other? Why would there be more pain during extension versus flexion? What role does the free choice food play in the development of musculoskeletal problems in large breed dogs? What does ÒclickingÓ of joints signify? Why would an animal have problems climbing stairs and sitting? What is the action of Rimadyl? Hypothesis 2: arthritis (Rachel Butterworth, Julie Pingstock) What is arthritis? What is rheumatoid arthritis? What are the common signs? What is the Ortalani sign? What does a positive sign mean? Are there any breed predilections for Rottweilers? Is arthritis common in large breed dogs? In young dogs? What is the normal ROM for a normal dog hip? What orthopedic diseases occur in young dogs? Why would palpation of hip cause more pain on one hip over the other? Why would there be more pain during extension versus flexion? What does ÒclickingÓ of joints signify? Why would an animal have problems climbing stairs and sitting? What is the action of Rimadyl? Hypothesis 3: congenital and developmental musculoskeletal disease (Robyn Sazonov, Lindsey Savage) What is the Ortalani sign? What does a positive sign mean? Are there any breed predilections for Rottweilers? What are the congenital and developmental disorders in large breed dogs? What orthopedic diseases occur in young dogs? What is the normal ROM for a normal dog hip? Why would palpation of hip cause more pain on one hip over the other? Why would there be more pain during extension versus flexion? What role does the free choice food play in the development of musculoskeletal problems in large breed dogs? What does ÒclickingÓ of joints signify? Why would an animal have problems climbing stairs and sitting? What is the action of Rimadyl?