Modern Vet on Instagram: "What Is a Luxating Patella in Dogs?🐕 A luxating patella in dogs—also called a dislocated knee—is a common condition in which the kneecap (patella) shifts sideways (luxates) away from its normal position at the front of the knee. Patellar luxation can affect one or both knees in dogs. The main symptom of a luxating patella in dogs is the sudden lifting of one hind limb while walking or running. In this brief, sudden limp, a dog will hold their hindlimb off the gr