Ada is a 3 year old Rottweiler who presented to Southpaws limping on her right hind leg. Ada had previously had a Tibial Plateau Levelling Osteotomy on her left leg and unfortunately the same problem was suspected in this case. X-rays and arthroscopy (key hole exploration of the joint) confirmed that Ada had ruptured her cranial cruciate ligament. A TPLO was performed to repair Ada’s knee. A TPLO involves cutting the top of the tibia and rotating that piece to provide a more horizontal and stable platform. A TPLO plate is then screwed into place to lock the rotated tibial head back into its new position. TPLO’s offer a very high success rate and long term outlook for active dogs.