Case 1 9 month old Ðmore than likely congenital or developmental rather than acquired FS Rottweiler Ðlarge breed Awkward gait Ð Few weeks ago Ðcritical R leg worse than LÑcritical Uncomfortable to sit Ðcritical Seems worse early in morning(after running around in yard) Ðcritical Reluctant to climb steps Ðcritical On rimadyl Ðcritical Eats Iams large breed free choiceÑoversupplementation through food No history of trauma Disportionate amount of weight carried on forelegs Mild lameness Ð grade 1 of 4 primarily on R hind Minor clicking in elbow No crepitance No pain Full range of motion Long bone palpation normal in all legs No muscle pain or atrophy Not neurological deficits Hock and stifle joints non-painfulÑno cranial drawer signs No joint effusion Hip joints painfulÑmore on R than L, more obvious on extension than flexion Hip rom reduced to 100 degrees Ortalani sign in L hip positive Unable to assess R because of pain