In dogs and cats, the ligaments are called the cranial and caudal cruciate ligament. In dogs, the most common knee injury is a rupture or tear of the cranial cruciate ligament. Humans have a similar anatomical structure to the dog knee, but the ligaments are called the anterior and posterior cruciate ligaments.
https://vcahospitals.com/know-your-pet/luxating-patella-or-kneecap-in-dogs